Home / 22,349.40-30,837.90-14,390.04

Finding the Fourth Proportional to 22,349.40, 30,837.90 and 14,390.04

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Solution

The fourth proportional to 22,349.40, 30,837.90 and 14,390.04 is: 19,855.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,349.40 : 30,837.90 = 14,390.04 : x
  2. Step 2: Convert to fraction form
    22,349.40/30,837.90 = 14,390.04/x
  3. Step 3: Cross multiply
    22,349.40x = 30,837.90 × 14,390.04
  4. Step 4: Simplify right side
    22,349.40x = 443,758,614.52
  5. Step 5: Solve for x
    x = 443,758,614.52/22,349.40
  6. Step 6: Final answer
    x = 19,855.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.