Home / 16,645.12-22,970.45-9,091.68

Finding the Fourth Proportional to 16,645.12, 22,970.45 and 9,091.68

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Solution

The fourth proportional to 16,645.12, 22,970.45 and 9,091.68 is: 12,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,645.12 : 22,970.45 = 9,091.68 : x
  2. Step 2: Convert to fraction form
    16,645.12/22,970.45 = 9,091.68/x
  3. Step 3: Cross multiply
    16,645.12x = 22,970.45 × 9,091.68
  4. Step 4: Simplify right side
    16,645.12x = 208,839,980.86
  5. Step 5: Solve for x
    x = 208,839,980.86/16,645.12
  6. Step 6: Final answer
    x = 12,546.62

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Half scale
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Double scale
Find fourth proportional to 16,646.12, 22,971.83 and 9,092.68
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.