Home / 22,628.81-31,226.94-12,557.69

Finding the Fourth Proportional to 22,628.81, 31,226.94 and 12,557.69

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Solution

The fourth proportional to 22,628.81, 31,226.94 and 12,557.69 is: 17,329.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,628.81 : 31,226.94 = 12,557.69 : x
  2. Step 2: Convert to fraction form
    22,628.81/31,226.94 = 12,557.69/x
  3. Step 3: Cross multiply
    22,628.81x = 31,226.94 × 12,557.69
  4. Step 4: Simplify right side
    22,628.81x = 392,138,232.17
  5. Step 5: Solve for x
    x = 392,138,232.17/22,628.81
  6. Step 6: Final answer
    x = 17,329.16

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Half scale
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Double scale
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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.