Home / 15,121.08-22,695.66-7,730.82

Finding the Fourth Proportional to 15,121.08, 22,695.66 and 7,730.82

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Solution

The fourth proportional to 15,121.08, 22,695.66 and 7,730.82 is: 11,603.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,121.08 : 22,695.66 = 7,730.82 : x
  2. Step 2: Convert to fraction form
    15,121.08/22,695.66 = 7,730.82/x
  3. Step 3: Cross multiply
    15,121.08x = 22,695.66 × 7,730.82
  4. Step 4: Simplify right side
    15,121.08x = 175,456,062.24
  5. Step 5: Solve for x
    x = 175,456,062.24/15,121.08
  6. Step 6: Final answer
    x = 11,603.41

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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.