Home / 15,563.76-23,332.55-7,239.53

Finding the Fourth Proportional to 15,563.76, 23,332.55 and 7,239.53

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Solution

The fourth proportional to 15,563.76, 23,332.55 and 7,239.53 is: 10,853.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.76 : 23,332.55 = 7,239.53 : x
  2. Step 2: Convert to fraction form
    15,563.76/23,332.55 = 7,239.53/x
  3. Step 3: Cross multiply
    15,563.76x = 23,332.55 × 7,239.53
  4. Step 4: Simplify right side
    15,563.76x = 168,916,542.84
  5. Step 5: Solve for x
    x = 168,916,542.84/15,563.76
  6. Step 6: Final answer
    x = 10,853.20

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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.