Home / 15,765.20-23,625.54-8,748.32

Finding the Fourth Proportional to 15,765.20, 23,625.54 and 8,748.32

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Solution

The fourth proportional to 15,765.20, 23,625.54 and 8,748.32 is: 13,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.20 : 23,625.54 = 8,748.32 : x
  2. Step 2: Convert to fraction form
    15,765.20/23,625.54 = 8,748.32/x
  3. Step 3: Cross multiply
    15,765.20x = 23,625.54 × 8,748.32
  4. Step 4: Simplify right side
    15,765.20x = 206,683,784.09
  5. Step 5: Solve for x
    x = 206,683,784.09/15,765.20
  6. Step 6: Final answer
    x = 13,110.13

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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.