Home / 15,826.20-23,719.86-8,886.12

Finding the Fourth Proportional to 15,826.20, 23,719.86 and 8,886.12

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Solution

The fourth proportional to 15,826.20, 23,719.86 and 8,886.12 is: 13,318.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826.20 : 23,719.86 = 8,886.12 : x
  2. Step 2: Convert to fraction form
    15,826.20/23,719.86 = 8,886.12/x
  3. Step 3: Cross multiply
    15,826.20x = 23,719.86 × 8,886.12
  4. Step 4: Simplify right side
    15,826.20x = 210,777,522.34
  5. Step 5: Solve for x
    x = 210,777,522.34/15,826.20
  6. Step 6: Final answer
    x = 13,318.26

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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.