Home / 18,105.12-24,987.69-10,148.22

Finding the Fourth Proportional to 18,105.12, 24,987.69 and 10,148.22

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Solution

The fourth proportional to 18,105.12, 24,987.69 and 10,148.22 is: 14,006.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105.12 : 24,987.69 = 10,148.22 : x
  2. Step 2: Convert to fraction form
    18,105.12/24,987.69 = 10,148.22/x
  3. Step 3: Cross multiply
    18,105.12x = 24,987.69 × 10,148.22
  4. Step 4: Simplify right side
    18,105.12x = 253,580,575.41
  5. Step 5: Solve for x
    x = 253,580,575.41/18,105.12
  6. Step 6: Final answer
    x = 14,006.01

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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.