Home / 20,773.41-31,159.10-7,624.95

Finding the Fourth Proportional to 20,773.41, 31,159.10 and 7,624.95

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Solution

The fourth proportional to 20,773.41, 31,159.10 and 7,624.95 is: 11,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,773.41 : 31,159.10 = 7,624.95 : x
  2. Step 2: Convert to fraction form
    20,773.41/31,159.10 = 7,624.95/x
  3. Step 3: Cross multiply
    20,773.41x = 31,159.10 × 7,624.95
  4. Step 4: Simplify right side
    20,773.41x = 237,586,541.42
  5. Step 5: Solve for x
    x = 237,586,541.42/20,773.41
  6. Step 6: Final answer
    x = 11,437.05

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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.