Home / 22,254.03-30,700.17-12,817.11

Finding the Fourth Proportional to 22,254.03, 30,700.17 and 12,817.11

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Solution

The fourth proportional to 22,254.03, 30,700.17 and 12,817.11 is: 17,681.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,254.03 : 30,700.17 = 12,817.11 : x
  2. Step 2: Convert to fraction form
    22,254.03/30,700.17 = 12,817.11/x
  3. Step 3: Cross multiply
    22,254.03x = 30,700.17 × 12,817.11
  4. Step 4: Simplify right side
    22,254.03x = 393,487,455.91
  5. Step 5: Solve for x
    x = 393,487,455.91/22,254.03
  6. Step 6: Final answer
    x = 17,681.63

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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.