Home / 25,503.51-35,180.19-15,926.76

Finding the Fourth Proportional to 25,503.51, 35,180.19 and 15,926.76

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Solution

The fourth proportional to 25,503.51, 35,180.19 and 15,926.76 is: 21,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,503.51 : 35,180.19 = 15,926.76 : x
  2. Step 2: Convert to fraction form
    25,503.51/35,180.19 = 15,926.76/x
  3. Step 3: Cross multiply
    25,503.51x = 35,180.19 × 15,926.76
  4. Step 4: Simplify right side
    25,503.51x = 560,306,442.88
  5. Step 5: Solve for x
    x = 560,306,442.88/25,503.51
  6. Step 6: Final answer
    x = 21,969.78

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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.