Home / 18,609.28-25,680.18-10,225.60

Finding the Fourth Proportional to 18,609.28, 25,680.18 and 10,225.60

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Solution

The fourth proportional to 18,609.28, 25,680.18 and 10,225.60 is: 14,110.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.28 : 25,680.18 = 10,225.60 : x
  2. Step 2: Convert to fraction form
    18,609.28/25,680.18 = 10,225.60/x
  3. Step 3: Cross multiply
    18,609.28x = 25,680.18 × 10,225.60
  4. Step 4: Simplify right side
    18,609.28x = 262,595,248.61
  5. Step 5: Solve for x
    x = 262,595,248.61/18,609.28
  6. Step 6: Final answer
    x = 14,110.98

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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.