Home / 16,123.88-22,252.31-9,409.95

Finding the Fourth Proportional to 16,123.88, 22,252.31 and 9,409.95

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Solution

The fourth proportional to 16,123.88, 22,252.31 and 9,409.95 is: 12,986.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,123.88 : 22,252.31 = 9,409.95 : x
  2. Step 2: Convert to fraction form
    16,123.88/22,252.31 = 9,409.95/x
  3. Step 3: Cross multiply
    16,123.88x = 22,252.31 × 9,409.95
  4. Step 4: Simplify right side
    16,123.88x = 209,392,966.17
  5. Step 5: Solve for x
    x = 209,392,966.17/16,123.88
  6. Step 6: Final answer
    x = 12,986.51

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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.