Home / 13,454.52-18,560.28-7,862.28

Finding the Fourth Proportional to 13,454.52, 18,560.28 and 7,862.28

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Solution

The fourth proportional to 13,454.52, 18,560.28 and 7,862.28 is: 10,845.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,454.52 : 18,560.28 = 7,862.28 : x
  2. Step 2: Convert to fraction form
    13,454.52/18,560.28 = 7,862.28/x
  3. Step 3: Cross multiply
    13,454.52x = 18,560.28 × 7,862.28
  4. Step 4: Simplify right side
    13,454.52x = 145,926,118.24
  5. Step 5: Solve for x
    x = 145,926,118.24/13,454.52
  6. Step 6: Final answer
    x = 10,845.88

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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.