Home / 25,573.86-35,282.12-18,875.43

Finding the Fourth Proportional to 25,573.86, 35,282.12 and 18,875.43

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Solution

The fourth proportional to 25,573.86, 35,282.12 and 18,875.43 is: 26,040.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,573.86 : 35,282.12 = 18,875.43 : x
  2. Step 2: Convert to fraction form
    25,573.86/35,282.12 = 18,875.43/x
  3. Step 3: Cross multiply
    25,573.86x = 35,282.12 × 18,875.43
  4. Step 4: Simplify right side
    25,573.86x = 665,965,091.93
  5. Step 5: Solve for x
    x = 665,965,091.93/25,573.86
  6. Step 6: Final answer
    x = 26,040.85

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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.