Home / 18,598.14-25,652.69-11,880.78

Finding the Fourth Proportional to 18,598.14, 25,652.69 and 11,880.78

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Solution

The fourth proportional to 18,598.14, 25,652.69 and 11,880.78 is: 16,387.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598.14 : 25,652.69 = 11,880.78 : x
  2. Step 2: Convert to fraction form
    18,598.14/25,652.69 = 11,880.78/x
  3. Step 3: Cross multiply
    18,598.14x = 25,652.69 × 11,880.78
  4. Step 4: Simplify right side
    18,598.14x = 304,773,966.30
  5. Step 5: Solve for x
    x = 304,773,966.30/18,598.14
  6. Step 6: Final answer
    x = 16,387.34

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Double scale
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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.