Home / 15,568.52-23,215.68-15,428.12

Finding the Fourth Proportional to 15,568.52, 23,215.68 and 15,428.12

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Solution

The fourth proportional to 15,568.52, 23,215.68 and 15,428.12 is: 23,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,568.52 : 23,215.68 = 15,428.12 : x
  2. Step 2: Convert to fraction form
    15,568.52/23,215.68 = 15,428.12/x
  3. Step 3: Cross multiply
    15,568.52x = 23,215.68 × 15,428.12
  4. Step 4: Simplify right side
    15,568.52x = 358,174,296.92
  5. Step 5: Solve for x
    x = 358,174,296.92/15,568.52
  6. Step 6: Final answer
    x = 23,006.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.