Home / 18,598.23-25,665.75-10,100.43

Finding the Fourth Proportional to 18,598.23, 25,665.75 and 10,100.43

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Solution

The fourth proportional to 18,598.23, 25,665.75 and 10,100.43 is: 13,938.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598.23 : 25,665.75 = 10,100.43 : x
  2. Step 2: Convert to fraction form
    18,598.23/25,665.75 = 10,100.43/x
  3. Step 3: Cross multiply
    18,598.23x = 25,665.75 × 10,100.43
  4. Step 4: Simplify right side
    18,598.23x = 259,235,111.27
  5. Step 5: Solve for x
    x = 259,235,111.27/18,598.23
  6. Step 6: Final answer
    x = 13,938.70

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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.