Home / 19,503.81-29,242.46-7,650.15

Finding the Fourth Proportional to 19,503.81, 29,242.46 and 7,650.15

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Solution

The fourth proportional to 19,503.81, 29,242.46 and 7,650.15 is: 11,470.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503.81 : 29,242.46 = 7,650.15 : x
  2. Step 2: Convert to fraction form
    19,503.81/29,242.46 = 7,650.15/x
  3. Step 3: Cross multiply
    19,503.81x = 29,242.46 × 7,650.15
  4. Step 4: Simplify right side
    19,503.81x = 223,709,167.12
  5. Step 5: Solve for x
    x = 223,709,167.12/19,503.81
  6. Step 6: Final answer
    x = 11,470.02

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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.