Home / 22,687.51-34,034.90-7,900.63

Finding the Fourth Proportional to 22,687.51, 34,034.90 and 7,900.63

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Solution

The fourth proportional to 22,687.51, 34,034.90 and 7,900.63 is: 11,852.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,687.51 : 34,034.90 = 7,900.63 : x
  2. Step 2: Convert to fraction form
    22,687.51/34,034.90 = 7,900.63/x
  3. Step 3: Cross multiply
    22,687.51x = 34,034.90 × 7,900.63
  4. Step 4: Simplify right side
    22,687.51x = 268,897,151.99
  5. Step 5: Solve for x
    x = 268,897,151.99/22,687.51
  6. Step 6: Final answer
    x = 11,852.21

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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.