Home / 16,319.95-22,517.49-9,605.05

Finding the Fourth Proportional to 16,319.95, 22,517.49 and 9,605.05

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Solution

The fourth proportional to 16,319.95, 22,517.49 and 9,605.05 is: 13,252.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,319.95 : 22,517.49 = 9,605.05 : x
  2. Step 2: Convert to fraction form
    16,319.95/22,517.49 = 9,605.05/x
  3. Step 3: Cross multiply
    16,319.95x = 22,517.49 × 9,605.05
  4. Step 4: Simplify right side
    16,319.95x = 216,281,597.05
  5. Step 5: Solve for x
    x = 216,281,597.05/16,319.95
  6. Step 6: Final answer
    x = 13,252.59

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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.