Home / 18,555.38-25,608.57-10,598.75

Finding the Fourth Proportional to 18,555.38, 25,608.57 and 10,598.75

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Solution

The fourth proportional to 18,555.38, 25,608.57 and 10,598.75 is: 14,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.38 : 25,608.57 = 10,598.75 : x
  2. Step 2: Convert to fraction form
    18,555.38/25,608.57 = 10,598.75/x
  3. Step 3: Cross multiply
    18,555.38x = 25,608.57 × 10,598.75
  4. Step 4: Simplify right side
    18,555.38x = 271,418,831.29
  5. Step 5: Solve for x
    x = 271,418,831.29/18,555.38
  6. Step 6: Final answer
    x = 14,627.50

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Half scale
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Double scale
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Similar ratio
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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.