Home / 15,317.73-22,981.55-7,521.08

Finding the Fourth Proportional to 15,317.73, 22,981.55 and 7,521.08

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Solution

The fourth proportional to 15,317.73, 22,981.55 and 7,521.08 is: 11,284.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317.73 : 22,981.55 = 7,521.08 : x
  2. Step 2: Convert to fraction form
    15,317.73/22,981.55 = 7,521.08/x
  3. Step 3: Cross multiply
    15,317.73x = 22,981.55 × 7,521.08
  4. Step 4: Simplify right side
    15,317.73x = 172,845,923.56
  5. Step 5: Solve for x
    x = 172,845,923.56/15,317.73
  6. Step 6: Final answer
    x = 11,284.04

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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.