Home / 15,516.28-23,275.66-9,318.52

Finding the Fourth Proportional to 15,516.28, 23,275.66 and 9,318.52

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Solution

The fourth proportional to 15,516.28, 23,275.66 and 9,318.52 is: 13,978.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.28 : 23,275.66 = 9,318.52 : x
  2. Step 2: Convert to fraction form
    15,516.28/23,275.66 = 9,318.52/x
  3. Step 3: Cross multiply
    15,516.28x = 23,275.66 × 9,318.52
  4. Step 4: Simplify right side
    15,516.28x = 216,894,703.22
  5. Step 5: Solve for x
    x = 216,894,703.22/15,516.28
  6. Step 6: Final answer
    x = 13,978.52

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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.