Home / 22,674.89-31,306.62-20,277.42

Finding the Fourth Proportional to 22,674.89, 31,306.62 and 20,277.42

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Solution

The fourth proportional to 22,674.89, 31,306.62 and 20,277.42 is: 27,996.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,674.89 : 31,306.62 = 20,277.42 : x
  2. Step 2: Convert to fraction form
    22,674.89/31,306.62 = 20,277.42/x
  3. Step 3: Cross multiply
    22,674.89x = 31,306.62 × 20,277.42
  4. Step 4: Simplify right side
    22,674.89x = 634,817,482.52
  5. Step 5: Solve for x
    x = 634,817,482.52/22,674.89
  6. Step 6: Final answer
    x = 27,996.50

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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.