Home / 22,607.69-31,194.81-15,065.28

Finding the Fourth Proportional to 22,607.69, 31,194.81 and 15,065.28

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Solution

The fourth proportional to 22,607.69, 31,194.81 and 15,065.28 is: 20,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,607.69 : 31,194.81 = 15,065.28 : x
  2. Step 2: Convert to fraction form
    22,607.69/31,194.81 = 15,065.28/x
  3. Step 3: Cross multiply
    22,607.69x = 31,194.81 × 15,065.28
  4. Step 4: Simplify right side
    22,607.69x = 469,958,547.20
  5. Step 5: Solve for x
    x = 469,958,547.20/22,607.69
  6. Step 6: Final answer
    x = 20,787.55

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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.