Home / 19,500.89-29,247.66-7,654.16

Finding the Fourth Proportional to 19,500.89, 29,247.66 and 7,654.16

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Solution

The fourth proportional to 19,500.89, 29,247.66 and 7,654.16 is: 11,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,500.89 : 29,247.66 = 7,654.16 : x
  2. Step 2: Convert to fraction form
    19,500.89/29,247.66 = 7,654.16/x
  3. Step 3: Cross multiply
    19,500.89x = 29,247.66 × 7,654.16
  4. Step 4: Simplify right side
    19,500.89x = 223,866,342.38
  5. Step 5: Solve for x
    x = 223,866,342.38/19,500.89
  6. Step 6: Final answer
    x = 11,479.80

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1.5x scale

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.