Home / 16,016.04-22,120.20-15,797.52

Finding the Fourth Proportional to 16,016.04, 22,120.20 and 15,797.52

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Solution

The fourth proportional to 16,016.04, 22,120.20 and 15,797.52 is: 21,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,016.04 : 22,120.20 = 15,797.52 : x
  2. Step 2: Convert to fraction form
    16,016.04/22,120.20 = 15,797.52/x
  3. Step 3: Cross multiply
    16,016.04x = 22,120.20 × 15,797.52
  4. Step 4: Simplify right side
    16,016.04x = 349,444,301.90
  5. Step 5: Solve for x
    x = 349,444,301.90/16,016.04
  6. Step 6: Final answer
    x = 21,818.40

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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.