Home / 18,598.55-25,666.00-10,100.70

Finding the Fourth Proportional to 18,598.55, 25,666.00 and 10,100.70

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Solution

The fourth proportional to 18,598.55, 25,666.00 and 10,100.70 is: 13,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598.55 : 25,666.00 = 10,100.70 : x
  2. Step 2: Convert to fraction form
    18,598.55/25,666.00 = 10,100.70/x
  3. Step 3: Cross multiply
    18,598.55x = 25,666.00 × 10,100.70
  4. Step 4: Simplify right side
    18,598.55x = 259,244,540.95
  5. Step 5: Solve for x
    x = 259,244,540.95/18,598.55
  6. Step 6: Final answer
    x = 13,938.97

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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.