Home / 18,549.89-25,600.10-10,480.75

Finding the Fourth Proportional to 18,549.89, 25,600.10 and 10,480.75

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Solution

The fourth proportional to 18,549.89, 25,600.10 and 10,480.75 is: 14,464.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549.89 : 25,600.10 = 10,480.75 : x
  2. Step 2: Convert to fraction form
    18,549.89/25,600.10 = 10,480.75/x
  3. Step 3: Cross multiply
    18,549.89x = 25,600.10 × 10,480.75
  4. Step 4: Simplify right side
    18,549.89x = 268,308,131.67
  5. Step 5: Solve for x
    x = 268,308,131.67/18,549.89
  6. Step 6: Final answer
    x = 14,464.14

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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.