Home / 18,084.57-24,957.14-10,128.41

Finding the Fourth Proportional to 18,084.57, 24,957.14 and 10,128.41

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Solution

The fourth proportional to 18,084.57, 24,957.14 and 10,128.41 is: 13,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084.57 : 24,957.14 = 10,128.41 : x
  2. Step 2: Convert to fraction form
    18,084.57/24,957.14 = 10,128.41/x
  3. Step 3: Cross multiply
    18,084.57x = 24,957.14 × 10,128.41
  4. Step 4: Simplify right side
    18,084.57x = 252,776,146.35
  5. Step 5: Solve for x
    x = 252,776,146.35/18,084.57
  6. Step 6: Final answer
    x = 13,977.45

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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.