Home / 21,715.76-32,573.98-8,568.02

Finding the Fourth Proportional to 21,715.76, 32,573.98 and 8,568.02

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Solution

The fourth proportional to 21,715.76, 32,573.98 and 8,568.02 is: 12,852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715.76 : 32,573.98 = 8,568.02 : x
  2. Step 2: Convert to fraction form
    21,715.76/32,573.98 = 8,568.02/x
  3. Step 3: Cross multiply
    21,715.76x = 32,573.98 × 8,568.02
  4. Step 4: Simplify right side
    21,715.76x = 279,094,512.12
  5. Step 5: Solve for x
    x = 279,094,512.12/21,715.76
  6. Step 6: Final answer
    x = 12,852.16

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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.