Home / 18,090.32-24,964.90-10,132.50

Finding the Fourth Proportional to 18,090.32, 24,964.90 and 10,132.50

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Solution

The fourth proportional to 18,090.32, 24,964.90 and 10,132.50 is: 13,982.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,090.32 : 24,964.90 = 10,132.50 : x
  2. Step 2: Convert to fraction form
    18,090.32/24,964.90 = 10,132.50/x
  3. Step 3: Cross multiply
    18,090.32x = 24,964.90 × 10,132.50
  4. Step 4: Simplify right side
    18,090.32x = 252,956,849.25
  5. Step 5: Solve for x
    x = 252,956,849.25/18,090.32
  6. Step 6: Final answer
    x = 13,982.99

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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.