Home / 21,718.74-32,578.14-6,927.72

Finding the Fourth Proportional to 21,718.74, 32,578.14 and 6,927.72

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Solution

The fourth proportional to 21,718.74, 32,578.14 and 6,927.72 is: 10,391.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,718.74 : 32,578.14 = 6,927.72 : x
  2. Step 2: Convert to fraction form
    21,718.74/32,578.14 = 6,927.72/x
  3. Step 3: Cross multiply
    21,718.74x = 32,578.14 × 6,927.72
  4. Step 4: Simplify right side
    21,718.74x = 225,692,232.04
  5. Step 5: Solve for x
    x = 225,692,232.04/21,718.74
  6. Step 6: Final answer
    x = 10,391.59

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Similar ratio
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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.