Home / 23,178.78-34,754.29-7,376.99

Finding the Fourth Proportional to 23,178.78, 34,754.29 and 7,376.99

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Solution

The fourth proportional to 23,178.78, 34,754.29 and 7,376.99 is: 11,061.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.78 : 34,754.29 = 7,376.99 : x
  2. Step 2: Convert to fraction form
    23,178.78/34,754.29 = 7,376.99/x
  3. Step 3: Cross multiply
    23,178.78x = 34,754.29 × 7,376.99
  4. Step 4: Simplify right side
    23,178.78x = 256,381,857.57
  5. Step 5: Solve for x
    x = 256,381,857.57/23,178.78
  6. Step 6: Final answer
    x = 11,061.06

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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.