Home / 15,990.40-22,060.92-10,022.32

Finding the Fourth Proportional to 15,990.40, 22,060.92 and 10,022.32

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Solution

The fourth proportional to 15,990.40, 22,060.92 and 10,022.32 is: 13,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.40 : 22,060.92 = 10,022.32 : x
  2. Step 2: Convert to fraction form
    15,990.40/22,060.92 = 10,022.32/x
  3. Step 3: Cross multiply
    15,990.40x = 22,060.92 × 10,022.32
  4. Step 4: Simplify right side
    15,990.40x = 221,101,599.73
  5. Step 5: Solve for x
    x = 221,101,599.73/15,990.40
  6. Step 6: Final answer
    x = 13,827.15

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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.