Home / 17,812.65-26,715.33-6,126.78

Finding the Fourth Proportional to 17,812.65, 26,715.33 and 6,126.78

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Solution

The fourth proportional to 17,812.65, 26,715.33 and 6,126.78 is: 9,188.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.65 : 26,715.33 = 6,126.78 : x
  2. Step 2: Convert to fraction form
    17,812.65/26,715.33 = 6,126.78/x
  3. Step 3: Cross multiply
    17,812.65x = 26,715.33 × 6,126.78
  4. Step 4: Simplify right side
    17,812.65x = 163,678,949.54
  5. Step 5: Solve for x
    x = 163,678,949.54/17,812.65
  6. Step 6: Final answer
    x = 9,188.92

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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.