Home / 25,009.11-34,525.11-19,331.03

Finding the Fourth Proportional to 25,009.11, 34,525.11 and 19,331.03

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Solution

The fourth proportional to 25,009.11, 34,525.11 and 19,331.03 is: 26,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,009.11 : 34,525.11 = 19,331.03 : x
  2. Step 2: Convert to fraction form
    25,009.11/34,525.11 = 19,331.03/x
  3. Step 3: Cross multiply
    25,009.11x = 34,525.11 × 19,331.03
  4. Step 4: Simplify right side
    25,009.11x = 667,405,937.16
  5. Step 5: Solve for x
    x = 667,405,937.16/25,009.11
  6. Step 6: Final answer
    x = 26,686.51

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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.