Home / 28,001.13-38,642.36-16,066.59

Finding the Fourth Proportional to 28,001.13, 38,642.36 and 16,066.59

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Solution

The fourth proportional to 28,001.13, 38,642.36 and 16,066.59 is: 22,172.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,001.13 : 38,642.36 = 16,066.59 : x
  2. Step 2: Convert to fraction form
    28,001.13/38,642.36 = 16,066.59/x
  3. Step 3: Cross multiply
    28,001.13x = 38,642.36 × 16,066.59
  4. Step 4: Simplify right side
    28,001.13x = 620,850,874.42
  5. Step 5: Solve for x
    x = 620,850,874.42/28,001.13
  6. Step 6: Final answer
    x = 22,172.35

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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.