Home / 15,078.65-22,614.91-5,715.44

Finding the Fourth Proportional to 15,078.65, 22,614.91 and 5,715.44

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Solution

The fourth proportional to 15,078.65, 22,614.91 and 5,715.44 is: 8,572.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,078.65 : 22,614.91 = 5,715.44 : x
  2. Step 2: Convert to fraction form
    15,078.65/22,614.91 = 5,715.44/x
  3. Step 3: Cross multiply
    15,078.65x = 22,614.91 × 5,715.44
  4. Step 4: Simplify right side
    15,078.65x = 129,254,203.46
  5. Step 5: Solve for x
    x = 129,254,203.46/15,078.65
  6. Step 6: Final answer
    x = 8,572.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.