Home / 15,381.45-23,072.19-4,288.17

Finding the Fourth Proportional to 15,381.45, 23,072.19 and 4,288.17

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Solution

The fourth proportional to 15,381.45, 23,072.19 and 4,288.17 is: 6,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.45 : 23,072.19 = 4,288.17 : x
  2. Step 2: Convert to fraction form
    15,381.45/23,072.19 = 4,288.17/x
  3. Step 3: Cross multiply
    15,381.45x = 23,072.19 × 4,288.17
  4. Step 4: Simplify right side
    15,381.45x = 98,937,472.99
  5. Step 5: Solve for x
    x = 98,937,472.99/15,381.45
  6. Step 6: Final answer
    x = 6,432.26

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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.