Home / 21,152.34-31,726.08-5,569.56

Finding the Fourth Proportional to 21,152.34, 31,726.08 and 5,569.56

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Solution

The fourth proportional to 21,152.34, 31,726.08 and 5,569.56 is: 8,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,152.34 : 31,726.08 = 5,569.56 : x
  2. Step 2: Convert to fraction form
    21,152.34/31,726.08 = 5,569.56/x
  3. Step 3: Cross multiply
    21,152.34x = 31,726.08 × 5,569.56
  4. Step 4: Simplify right side
    21,152.34x = 176,700,306.12
  5. Step 5: Solve for x
    x = 176,700,306.12/21,152.34
  6. Step 6: Final answer
    x = 8,353.70

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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.