Home / 15,612.12-23,427.36-5,758.32

Finding the Fourth Proportional to 15,612.12, 23,427.36 and 5,758.32

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Solution

The fourth proportional to 15,612.12, 23,427.36 and 5,758.32 is: 8,640.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.12 : 23,427.36 = 5,758.32 : x
  2. Step 2: Convert to fraction form
    15,612.12/23,427.36 = 5,758.32/x
  3. Step 3: Cross multiply
    15,612.12x = 23,427.36 × 5,758.32
  4. Step 4: Simplify right side
    15,612.12x = 134,902,235.64
  5. Step 5: Solve for x
    x = 134,902,235.64/15,612.12
  6. Step 6: Final answer
    x = 8,640.87

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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.