Home / 22,341.98-30,811.33-15,182.58

Finding the Fourth Proportional to 22,341.98, 30,811.33 and 15,182.58

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Solution

The fourth proportional to 22,341.98, 30,811.33 and 15,182.58 is: 20,937.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,341.98 : 30,811.33 = 15,182.58 : x
  2. Step 2: Convert to fraction form
    22,341.98/30,811.33 = 15,182.58/x
  3. Step 3: Cross multiply
    22,341.98x = 30,811.33 × 15,182.58
  4. Step 4: Simplify right side
    22,341.98x = 467,795,252.66
  5. Step 5: Solve for x
    x = 467,795,252.66/22,341.98
  6. Step 6: Final answer
    x = 20,937.95

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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.