Home / 15,335.16-22,990.16-7,941.72

Finding the Fourth Proportional to 15,335.16, 22,990.16 and 7,941.72

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Solution

The fourth proportional to 15,335.16, 22,990.16 and 7,941.72 is: 11,906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,335.16 : 22,990.16 = 7,941.72 : x
  2. Step 2: Convert to fraction form
    15,335.16/22,990.16 = 7,941.72/x
  3. Step 3: Cross multiply
    15,335.16x = 22,990.16 × 7,941.72
  4. Step 4: Simplify right side
    15,335.16x = 182,581,413.48
  5. Step 5: Solve for x
    x = 182,581,413.48/15,335.16
  6. Step 6: Final answer
    x = 11,906.07

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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.