Home / 15,990.59-22,077.90-10,339.02

Finding the Fourth Proportional to 15,990.59, 22,077.90 and 10,339.02

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Solution

The fourth proportional to 15,990.59, 22,077.90 and 10,339.02 is: 14,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.59 : 22,077.90 = 10,339.02 : x
  2. Step 2: Convert to fraction form
    15,990.59/22,077.90 = 10,339.02/x
  3. Step 3: Cross multiply
    15,990.59x = 22,077.90 × 10,339.02
  4. Step 4: Simplify right side
    15,990.59x = 228,263,849.66
  5. Step 5: Solve for x
    x = 228,263,849.66/15,990.59
  6. Step 6: Final answer
    x = 14,274.88

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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.