Home / 15,128.52-22,688.68-9,573.52

Finding the Fourth Proportional to 15,128.52, 22,688.68 and 9,573.52

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Solution

The fourth proportional to 15,128.52, 22,688.68 and 9,573.52 is: 14,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128.52 : 22,688.68 = 9,573.52 : x
  2. Step 2: Convert to fraction form
    15,128.52/22,688.68 = 9,573.52/x
  3. Step 3: Cross multiply
    15,128.52x = 22,688.68 × 9,573.52
  4. Step 4: Simplify right side
    15,128.52x = 217,210,531.75
  5. Step 5: Solve for x
    x = 217,210,531.75/15,128.52
  6. Step 6: Final answer
    x = 14,357.69

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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.