Home / 22,859.04-31,548.11-12,790.04

Finding the Fourth Proportional to 22,859.04, 31,548.11 and 12,790.04

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Solution

The fourth proportional to 22,859.04, 31,548.11 and 12,790.04 is: 17,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,859.04 : 31,548.11 = 12,790.04 : x
  2. Step 2: Convert to fraction form
    22,859.04/31,548.11 = 12,790.04/x
  3. Step 3: Cross multiply
    22,859.04x = 31,548.11 × 12,790.04
  4. Step 4: Simplify right side
    22,859.04x = 403,501,367.13
  5. Step 5: Solve for x
    x = 403,501,367.13/22,859.04
  6. Step 6: Final answer
    x = 17,651.72

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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.