Home / 18,493.12-25,520.88-10,110.16

Finding the Fourth Proportional to 18,493.12, 25,520.88 and 10,110.16

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Solution

The fourth proportional to 18,493.12, 25,520.88 and 10,110.16 is: 13,952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.12 : 25,520.88 = 10,110.16 : x
  2. Step 2: Convert to fraction form
    18,493.12/25,520.88 = 10,110.16/x
  3. Step 3: Cross multiply
    18,493.12x = 25,520.88 × 10,110.16
  4. Step 4: Simplify right side
    18,493.12x = 258,020,180.14
  5. Step 5: Solve for x
    x = 258,020,180.14/18,493.12
  6. Step 6: Final answer
    x = 13,952.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.