Home / 34,251.06-47,265.75-19,143.30

Finding the Fourth Proportional to 34,251.06, 47,265.75 and 19,143.30

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Solution

The fourth proportional to 34,251.06, 47,265.75 and 19,143.30 is: 26,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,251.06 : 47,265.75 = 19,143.30 : x
  2. Step 2: Convert to fraction form
    34,251.06/47,265.75 = 19,143.30/x
  3. Step 3: Cross multiply
    34,251.06x = 47,265.75 × 19,143.30
  4. Step 4: Simplify right side
    34,251.06x = 904,822,431.98
  5. Step 5: Solve for x
    x = 904,822,431.98/34,251.06
  6. Step 6: Final answer
    x = 26,417.36

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1.5x scale

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.