Home / 19,728.43-29,592.01-6,580.91

Finding the Fourth Proportional to 19,728.43, 29,592.01 and 6,580.91

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Solution

The fourth proportional to 19,728.43, 29,592.01 and 6,580.91 is: 9,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,728.43 : 29,592.01 = 6,580.91 : x
  2. Step 2: Convert to fraction form
    19,728.43/29,592.01 = 6,580.91/x
  3. Step 3: Cross multiply
    19,728.43x = 29,592.01 × 6,580.91
  4. Step 4: Simplify right side
    19,728.43x = 194,742,354.53
  5. Step 5: Solve for x
    x = 194,742,354.53/19,728.43
  6. Step 6: Final answer
    x = 9,871.15

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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.