Home / 15,751.12-23,612.16-5,355.64

Finding the Fourth Proportional to 15,751.12, 23,612.16 and 5,355.64

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Solution

The fourth proportional to 15,751.12, 23,612.16 and 5,355.64 is: 8,028.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751.12 : 23,612.16 = 5,355.64 : x
  2. Step 2: Convert to fraction form
    15,751.12/23,612.16 = 5,355.64/x
  3. Step 3: Cross multiply
    15,751.12x = 23,612.16 × 5,355.64
  4. Step 4: Simplify right side
    15,751.12x = 126,458,228.58
  5. Step 5: Solve for x
    x = 126,458,228.58/15,751.12
  6. Step 6: Final answer
    x = 8,028.52

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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.