Home / 15,381.46-23,072.20-4,288.18

Finding the Fourth Proportional to 15,381.46, 23,072.20 and 4,288.18

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Solution

The fourth proportional to 15,381.46, 23,072.20 and 4,288.18 is: 6,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.46 : 23,072.20 = 4,288.18 : x
  2. Step 2: Convert to fraction form
    15,381.46/23,072.20 = 4,288.18/x
  3. Step 3: Cross multiply
    15,381.46x = 23,072.20 × 4,288.18
  4. Step 4: Simplify right side
    15,381.46x = 98,937,746.60
  5. Step 5: Solve for x
    x = 98,937,746.60/15,381.46
  6. Step 6: Final answer
    x = 6,432.27

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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.