Home / 22,049.80-30,412.04-15,332.06

Finding the Fourth Proportional to 22,049.80, 30,412.04 and 15,332.06

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Solution

The fourth proportional to 22,049.80, 30,412.04 and 15,332.06 is: 21,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,049.80 : 30,412.04 = 15,332.06 : x
  2. Step 2: Convert to fraction form
    22,049.80/30,412.04 = 15,332.06/x
  3. Step 3: Cross multiply
    22,049.80x = 30,412.04 × 15,332.06
  4. Step 4: Simplify right side
    22,049.80x = 466,279,222.00
  5. Step 5: Solve for x
    x = 466,279,222.00/22,049.80
  6. Step 6: Final answer
    x = 21,146.64

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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.