Home / 22,425.80-33,648.72-12,565.06

Finding the Fourth Proportional to 22,425.80, 33,648.72 and 12,565.06

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Solution

The fourth proportional to 22,425.80, 33,648.72 and 12,565.06 is: 18,853.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,425.80 : 33,648.72 = 12,565.06 : x
  2. Step 2: Convert to fraction form
    22,425.80/33,648.72 = 12,565.06/x
  3. Step 3: Cross multiply
    22,425.80x = 33,648.72 × 12,565.06
  4. Step 4: Simplify right side
    22,425.80x = 422,798,054.48
  5. Step 5: Solve for x
    x = 422,798,054.48/22,425.80
  6. Step 6: Final answer
    x = 18,853.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.