Home / 15,217.52-22,826.28-9,985.64

Finding the Fourth Proportional to 15,217.52, 22,826.28 and 9,985.64

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Solution

The fourth proportional to 15,217.52, 22,826.28 and 9,985.64 is: 14,978.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.52 : 22,826.28 = 9,985.64 : x
  2. Step 2: Convert to fraction form
    15,217.52/22,826.28 = 9,985.64/x
  3. Step 3: Cross multiply
    15,217.52x = 22,826.28 × 9,985.64
  4. Step 4: Simplify right side
    15,217.52x = 227,934,974.05
  5. Step 5: Solve for x
    x = 227,934,974.05/15,217.52
  6. Step 6: Final answer
    x = 14,978.46

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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.