Home / 18,325.19-25,288.76-9,941.69

Finding the Fourth Proportional to 18,325.19, 25,288.76 and 9,941.69

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Solution

The fourth proportional to 18,325.19, 25,288.76 and 9,941.69 is: 13,719.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.19 : 25,288.76 = 9,941.69 : x
  2. Step 2: Convert to fraction form
    18,325.19/25,288.76 = 9,941.69/x
  3. Step 3: Cross multiply
    18,325.19x = 25,288.76 × 9,941.69
  4. Step 4: Simplify right side
    18,325.19x = 251,412,962.70
  5. Step 5: Solve for x
    x = 251,412,962.70/18,325.19
  6. Step 6: Final answer
    x = 13,719.53

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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.