Home / 25,094.81-34,631.20-13,765.39

Finding the Fourth Proportional to 25,094.81, 34,631.20 and 13,765.39

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Solution

The fourth proportional to 25,094.81, 34,631.20 and 13,765.39 is: 18,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,094.81 : 34,631.20 = 13,765.39 : x
  2. Step 2: Convert to fraction form
    25,094.81/34,631.20 = 13,765.39/x
  3. Step 3: Cross multiply
    25,094.81x = 34,631.20 × 13,765.39
  4. Step 4: Simplify right side
    25,094.81x = 476,711,974.17
  5. Step 5: Solve for x
    x = 476,711,974.17/25,094.81
  6. Step 6: Final answer
    x = 18,996.44

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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.