Home / 14,569.95-21,861.78-7,180.66

Finding the Fourth Proportional to 14,569.95, 21,861.78 and 7,180.66

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Solution

The fourth proportional to 14,569.95, 21,861.78 and 7,180.66 is: 10,774.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569.95 : 21,861.78 = 7,180.66 : x
  2. Step 2: Convert to fraction form
    14,569.95/21,861.78 = 7,180.66/x
  3. Step 3: Cross multiply
    14,569.95x = 21,861.78 × 7,180.66
  4. Step 4: Simplify right side
    14,569.95x = 156,982,009.17
  5. Step 5: Solve for x
    x = 156,982,009.17/14,569.95
  6. Step 6: Final answer
    x = 10,774.37

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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.