Home / 25,748.10-38,622.15-11,897.10

Finding the Fourth Proportional to 25,748.10, 38,622.15 and 11,897.10

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Solution

The fourth proportional to 25,748.10, 38,622.15 and 11,897.10 is: 17,845.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,748.10 : 38,622.15 = 11,897.10 : x
  2. Step 2: Convert to fraction form
    25,748.10/38,622.15 = 11,897.10/x
  3. Step 3: Cross multiply
    25,748.10x = 38,622.15 × 11,897.10
  4. Step 4: Simplify right side
    25,748.10x = 459,491,580.77
  5. Step 5: Solve for x
    x = 459,491,580.77/25,748.10
  6. Step 6: Final answer
    x = 17,845.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.