Home / 22,678.14-34,020.29-7,885.15

Finding the Fourth Proportional to 22,678.14, 34,020.29 and 7,885.15

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Solution

The fourth proportional to 22,678.14, 34,020.29 and 7,885.15 is: 11,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.14 : 34,020.29 = 7,885.15 : x
  2. Step 2: Convert to fraction form
    22,678.14/34,020.29 = 7,885.15/x
  3. Step 3: Cross multiply
    22,678.14x = 34,020.29 × 7,885.15
  4. Step 4: Simplify right side
    22,678.14x = 268,255,089.69
  5. Step 5: Solve for x
    x = 268,255,089.69/22,678.14
  6. Step 6: Final answer
    x = 11,828.80

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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.