Home / 13,560.55-18,711.40-7,592.47

Finding the Fourth Proportional to 13,560.55, 18,711.40 and 7,592.47

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Solution

The fourth proportional to 13,560.55, 18,711.40 and 7,592.47 is: 10,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.55 : 18,711.40 = 7,592.47 : x
  2. Step 2: Convert to fraction form
    13,560.55/18,711.40 = 7,592.47/x
  3. Step 3: Cross multiply
    13,560.55x = 18,711.40 × 7,592.47
  4. Step 4: Simplify right side
    13,560.55x = 142,065,743.16
  5. Step 5: Solve for x
    x = 142,065,743.16/13,560.55
  6. Step 6: Final answer
    x = 10,476.40

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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.