Home / 18,805.48-28,199.52-10,038.04

Finding the Fourth Proportional to 18,805.48, 28,199.52 and 10,038.04

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Solution

The fourth proportional to 18,805.48, 28,199.52 and 10,038.04 is: 15,052.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805.48 : 28,199.52 = 10,038.04 : x
  2. Step 2: Convert to fraction form
    18,805.48/28,199.52 = 10,038.04/x
  3. Step 3: Cross multiply
    18,805.48x = 28,199.52 × 10,038.04
  4. Step 4: Simplify right side
    18,805.48x = 283,067,909.74
  5. Step 5: Solve for x
    x = 283,067,909.74/18,805.48
  6. Step 6: Final answer
    x = 15,052.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.