Home / 25,103.56-34,628.52-15,655.72

Finding the Fourth Proportional to 25,103.56, 34,628.52 and 15,655.72

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Solution

The fourth proportional to 25,103.56, 34,628.52 and 15,655.72 is: 21,595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,103.56 : 34,628.52 = 15,655.72 : x
  2. Step 2: Convert to fraction form
    25,103.56/34,628.52 = 15,655.72/x
  3. Step 3: Cross multiply
    25,103.56x = 34,628.52 × 15,655.72
  4. Step 4: Simplify right side
    25,103.56x = 542,134,413.13
  5. Step 5: Solve for x
    x = 542,134,413.13/25,103.56
  6. Step 6: Final answer
    x = 21,595.92

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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.