Home / 13,957.29-19,241.15-9,976.95

Finding the Fourth Proportional to 13,957.29, 19,241.15 and 9,976.95

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Solution

The fourth proportional to 13,957.29, 19,241.15 and 9,976.95 is: 13,753.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.29 : 19,241.15 = 9,976.95 : x
  2. Step 2: Convert to fraction form
    13,957.29/19,241.15 = 9,976.95/x
  3. Step 3: Cross multiply
    13,957.29x = 19,241.15 × 9,976.95
  4. Step 4: Simplify right side
    13,957.29x = 191,967,941.61
  5. Step 5: Solve for x
    x = 191,967,941.61/13,957.29
  6. Step 6: Final answer
    x = 13,753.96

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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.