Home / 15,990.95-22,067.54-9,277.10

Finding the Fourth Proportional to 15,990.95, 22,067.54 and 9,277.10

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Solution

The fourth proportional to 15,990.95, 22,067.54 and 9,277.10 is: 12,802.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.95 : 22,067.54 = 9,277.10 : x
  2. Step 2: Convert to fraction form
    15,990.95/22,067.54 = 9,277.10/x
  3. Step 3: Cross multiply
    15,990.95x = 22,067.54 × 9,277.10
  4. Step 4: Simplify right side
    15,990.95x = 204,722,618.61
  5. Step 5: Solve for x
    x = 204,722,618.61/15,990.95
  6. Step 6: Final answer
    x = 12,802.41

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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.