Home / 16,931.93-25,413.47-8,617.88

Finding the Fourth Proportional to 16,931.93, 25,413.47 and 8,617.88

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Solution

The fourth proportional to 16,931.93, 25,413.47 and 8,617.88 is: 12,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.93 : 25,413.47 = 8,617.88 : x
  2. Step 2: Convert to fraction form
    16,931.93/25,413.47 = 8,617.88/x
  3. Step 3: Cross multiply
    16,931.93x = 25,413.47 × 8,617.88
  4. Step 4: Simplify right side
    16,931.93x = 219,010,064.69
  5. Step 5: Solve for x
    x = 219,010,064.69/16,931.93
  6. Step 6: Final answer
    x = 12,934.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.