Home / 19,330.87-29,127.97-15,897.79

Finding the Fourth Proportional to 19,330.87, 29,127.97 and 15,897.79

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Solution

The fourth proportional to 19,330.87, 29,127.97 and 15,897.79 is: 23,954.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.87 : 29,127.97 = 15,897.79 : x
  2. Step 2: Convert to fraction form
    19,330.87/29,127.97 = 15,897.79/x
  3. Step 3: Cross multiply
    19,330.87x = 29,127.97 × 15,897.79
  4. Step 4: Simplify right side
    19,330.87x = 463,070,350.19
  5. Step 5: Solve for x
    x = 463,070,350.19/19,330.87
  6. Step 6: Final answer
    x = 23,954.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.