Home / 18,108.20-24,988.87-10,041.81

Finding the Fourth Proportional to 18,108.20, 24,988.87 and 10,041.81

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Solution

The fourth proportional to 18,108.20, 24,988.87 and 10,041.81 is: 13,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.20 : 24,988.87 = 10,041.81 : x
  2. Step 2: Convert to fraction form
    18,108.20/24,988.87 = 10,041.81/x
  3. Step 3: Cross multiply
    18,108.20x = 24,988.87 × 10,041.81
  4. Step 4: Simplify right side
    18,108.20x = 250,933,484.65
  5. Step 5: Solve for x
    x = 250,933,484.65/18,108.20
  6. Step 6: Final answer
    x = 13,857.45

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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.