Home / 18,070.31-24,937.38-10,900.19

Finding the Fourth Proportional to 18,070.31, 24,937.38 and 10,900.19

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Solution

The fourth proportional to 18,070.31, 24,937.38 and 10,900.19 is: 15,042.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,070.31 : 24,937.38 = 10,900.19 : x
  2. Step 2: Convert to fraction form
    18,070.31/24,937.38 = 10,900.19/x
  3. Step 3: Cross multiply
    18,070.31x = 24,937.38 × 10,900.19
  4. Step 4: Simplify right side
    18,070.31x = 271,822,180.10
  5. Step 5: Solve for x
    x = 271,822,180.10/18,070.31
  6. Step 6: Final answer
    x = 15,042.47

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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.