Home / 19,909.18-27,474.42-10,957.06

Finding the Fourth Proportional to 19,909.18, 27,474.42 and 10,957.06

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Solution

The fourth proportional to 19,909.18, 27,474.42 and 10,957.06 is: 15,120.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.18 : 27,474.42 = 10,957.06 : x
  2. Step 2: Convert to fraction form
    19,909.18/27,474.42 = 10,957.06/x
  3. Step 3: Cross multiply
    19,909.18x = 27,474.42 × 10,957.06
  4. Step 4: Simplify right side
    19,909.18x = 301,038,868.41
  5. Step 5: Solve for x
    x = 301,038,868.41/19,909.18
  6. Step 6: Final answer
    x = 15,120.61

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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.