Home / 18,308.64-25,261.56-10,349.76

Finding the Fourth Proportional to 18,308.64, 25,261.56 and 10,349.76

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Solution

The fourth proportional to 18,308.64, 25,261.56 and 10,349.76 is: 14,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.64 : 25,261.56 = 10,349.76 : x
  2. Step 2: Convert to fraction form
    18,308.64/25,261.56 = 10,349.76/x
  3. Step 3: Cross multiply
    18,308.64x = 25,261.56 × 10,349.76
  4. Step 4: Simplify right side
    18,308.64x = 261,451,083.23
  5. Step 5: Solve for x
    x = 261,451,083.23/18,308.64
  6. Step 6: Final answer
    x = 14,280.20

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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.