Home / 25,565.31-35,270.51-18,866.97

Finding the Fourth Proportional to 25,565.31, 35,270.51 and 18,866.97

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Solution

The fourth proportional to 25,565.31, 35,270.51 and 18,866.97 is: 26,029.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,565.31 : 35,270.51 = 18,866.97 : x
  2. Step 2: Convert to fraction form
    25,565.31/35,270.51 = 18,866.97/x
  3. Step 3: Cross multiply
    25,565.31x = 35,270.51 × 18,866.97
  4. Step 4: Simplify right side
    25,565.31x = 665,447,559.72
  5. Step 5: Solve for x
    x = 665,447,559.72/25,565.31
  6. Step 6: Final answer
    x = 26,029.32

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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.