Home / 18,080.31-24,948.89-10,121.45

Finding the Fourth Proportional to 18,080.31, 24,948.89 and 10,121.45

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Solution

The fourth proportional to 18,080.31, 24,948.89 and 10,121.45 is: 13,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.31 : 24,948.89 = 10,121.45 : x
  2. Step 2: Convert to fraction form
    18,080.31/24,948.89 = 10,121.45/x
  3. Step 3: Cross multiply
    18,080.31x = 24,948.89 × 10,121.45
  4. Step 4: Simplify right side
    18,080.31x = 252,518,942.69
  5. Step 5: Solve for x
    x = 252,518,942.69/18,080.31
  6. Step 6: Final answer
    x = 13,966.52

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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.