Home / 22,718.87-31,364.33-15,933.72

Finding the Fourth Proportional to 22,718.87, 31,364.33 and 15,933.72

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Solution

The fourth proportional to 22,718.87, 31,364.33 and 15,933.72 is: 21,997.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,718.87 : 31,364.33 = 15,933.72 : x
  2. Step 2: Convert to fraction form
    22,718.87/31,364.33 = 15,933.72/x
  3. Step 3: Cross multiply
    22,718.87x = 31,364.33 × 15,933.72
  4. Step 4: Simplify right side
    22,718.87x = 499,750,492.04
  5. Step 5: Solve for x
    x = 499,750,492.04/22,718.87
  6. Step 6: Final answer
    x = 21,997.16

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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.