Home / 17,772.34-26,637.29-8,271.87

Finding the Fourth Proportional to 17,772.34, 26,637.29 and 8,271.87

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Solution

The fourth proportional to 17,772.34, 26,637.29 and 8,271.87 is: 12,397.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,772.34 : 26,637.29 = 8,271.87 : x
  2. Step 2: Convert to fraction form
    17,772.34/26,637.29 = 8,271.87/x
  3. Step 3: Cross multiply
    17,772.34x = 26,637.29 × 8,271.87
  4. Step 4: Simplify right side
    17,772.34x = 220,340,066.85
  5. Step 5: Solve for x
    x = 220,340,066.85/17,772.34
  6. Step 6: Final answer
    x = 12,397.92

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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.