Home / 15,980.52-22,052.61-10,015.41

Finding the Fourth Proportional to 15,980.52, 22,052.61 and 10,015.41

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Solution

The fourth proportional to 15,980.52, 22,052.61 and 10,015.41 is: 13,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.52 : 22,052.61 = 10,015.41 : x
  2. Step 2: Convert to fraction form
    15,980.52/22,052.61 = 10,015.41/x
  3. Step 3: Cross multiply
    15,980.52x = 22,052.61 × 10,015.41
  4. Step 4: Simplify right side
    15,980.52x = 220,865,930.72
  5. Step 5: Solve for x
    x = 220,865,930.72/15,980.52
  6. Step 6: Final answer
    x = 13,820.95

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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.