Home / 16,178.19-22,326.81-9,105.07

Finding the Fourth Proportional to 16,178.19, 22,326.81 and 9,105.07

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Solution

The fourth proportional to 16,178.19, 22,326.81 and 9,105.07 is: 12,565.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,178.19 : 22,326.81 = 9,105.07 : x
  2. Step 2: Convert to fraction form
    16,178.19/22,326.81 = 9,105.07/x
  3. Step 3: Cross multiply
    16,178.19x = 22,326.81 × 9,105.07
  4. Step 4: Simplify right side
    16,178.19x = 203,287,056.29
  5. Step 5: Solve for x
    x = 203,287,056.29/16,178.19
  6. Step 6: Final answer
    x = 12,565.50

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Half scale
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Double scale
Find fourth proportional to 16,179.19, 22,328.19 and 9,106.07
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.