Home / 20,020.82-27,624.93-12,565.46

Finding the Fourth Proportional to 20,020.82, 27,624.93 and 12,565.46

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Solution

The fourth proportional to 20,020.82, 27,624.93 and 12,565.46 is: 17,337.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020.82 : 27,624.93 = 12,565.46 : x
  2. Step 2: Convert to fraction form
    20,020.82/27,624.93 = 12,565.46/x
  3. Step 3: Cross multiply
    20,020.82x = 27,624.93 × 12,565.46
  4. Step 4: Simplify right side
    20,020.82x = 347,119,952.92
  5. Step 5: Solve for x
    x = 347,119,952.92/20,020.82
  6. Step 6: Final answer
    x = 17,337.95

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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.