Home / 19,663.14-29,490.16-5,622.81

Finding the Fourth Proportional to 19,663.14, 29,490.16 and 5,622.81

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Solution

The fourth proportional to 19,663.14, 29,490.16 and 5,622.81 is: 8,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.14 : 29,490.16 = 5,622.81 : x
  2. Step 2: Convert to fraction form
    19,663.14/29,490.16 = 5,622.81/x
  3. Step 3: Cross multiply
    19,663.14x = 29,490.16 × 5,622.81
  4. Step 4: Simplify right side
    19,663.14x = 165,817,566.55
  5. Step 5: Solve for x
    x = 165,817,566.55/19,663.14
  6. Step 6: Final answer
    x = 8,432.91

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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.