Home / 13,560.80-18,711.74-7,592.72

Finding the Fourth Proportional to 13,560.80, 18,711.74 and 7,592.72

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Solution

The fourth proportional to 13,560.80, 18,711.74 and 7,592.72 is: 10,476.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.80 : 18,711.74 = 7,592.72 : x
  2. Step 2: Convert to fraction form
    13,560.80/18,711.74 = 7,592.72/x
  3. Step 3: Cross multiply
    13,560.80x = 18,711.74 × 7,592.72
  4. Step 4: Simplify right side
    13,560.80x = 142,072,927.96
  5. Step 5: Solve for x
    x = 142,072,927.96/13,560.80
  6. Step 6: Final answer
    x = 10,476.74

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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.