Home / 22,771.65-31,425.05-12,700.74

Finding the Fourth Proportional to 22,771.65, 31,425.05 and 12,700.74

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Solution

The fourth proportional to 22,771.65, 31,425.05 and 12,700.74 is: 17,527.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,771.65 : 31,425.05 = 12,700.74 : x
  2. Step 2: Convert to fraction form
    22,771.65/31,425.05 = 12,700.74/x
  3. Step 3: Cross multiply
    22,771.65x = 31,425.05 × 12,700.74
  4. Step 4: Simplify right side
    22,771.65x = 399,121,389.54
  5. Step 5: Solve for x
    x = 399,121,389.54/22,771.65
  6. Step 6: Final answer
    x = 17,527.12

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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.