Home / 22,285.14-30,751.08-12,724.13

Finding the Fourth Proportional to 22,285.14, 30,751.08 and 12,724.13

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Solution

The fourth proportional to 22,285.14, 30,751.08 and 12,724.13 is: 17,557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,285.14 : 30,751.08 = 12,724.13 : x
  2. Step 2: Convert to fraction form
    22,285.14/30,751.08 = 12,724.13/x
  3. Step 3: Cross multiply
    22,285.14x = 30,751.08 × 12,724.13
  4. Step 4: Simplify right side
    22,285.14x = 391,280,585.81
  5. Step 5: Solve for x
    x = 391,280,585.81/22,285.14
  6. Step 6: Final answer
    x = 17,557.91

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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.