Home / 18,106.81-24,987.32-10,149.04

Finding the Fourth Proportional to 18,106.81, 24,987.32 and 10,149.04

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Solution

The fourth proportional to 18,106.81, 24,987.32 and 10,149.04 is: 14,005.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.81 : 24,987.32 = 10,149.04 : x
  2. Step 2: Convert to fraction form
    18,106.81/24,987.32 = 10,149.04/x
  3. Step 3: Cross multiply
    18,106.81x = 24,987.32 × 10,149.04
  4. Step 4: Simplify right side
    18,106.81x = 253,597,310.17
  5. Step 5: Solve for x
    x = 253,597,310.17/18,106.81
  6. Step 6: Final answer
    x = 14,005.63

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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.