Home / 28,212.61-38,934.67-16,114.14

Finding the Fourth Proportional to 28,212.61, 38,934.67 and 16,114.14

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Solution

The fourth proportional to 28,212.61, 38,934.67 and 16,114.14 is: 22,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,212.61 : 38,934.67 = 16,114.14 : x
  2. Step 2: Convert to fraction form
    28,212.61/38,934.67 = 16,114.14/x
  3. Step 3: Cross multiply
    28,212.61x = 38,934.67 × 16,114.14
  4. Step 4: Simplify right side
    28,212.61x = 627,398,723.23
  5. Step 5: Solve for x
    x = 627,398,723.23/28,212.61
  6. Step 6: Final answer
    x = 22,238.24

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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.