Home / 13,250.52-18,285.28-7,585.82

Finding the Fourth Proportional to 13,250.52, 18,285.28 and 7,585.82

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Solution

The fourth proportional to 13,250.52, 18,285.28 and 7,585.82 is: 10,468.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.52 : 18,285.28 = 7,585.82 : x
  2. Step 2: Convert to fraction form
    13,250.52/18,285.28 = 7,585.82/x
  3. Step 3: Cross multiply
    13,250.52x = 18,285.28 × 7,585.82
  4. Step 4: Simplify right side
    13,250.52x = 138,708,800.91
  5. Step 5: Solve for x
    x = 138,708,800.91/13,250.52
  6. Step 6: Final answer
    x = 10,468.18

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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.