Home / 22,235.04-30,686.11-12,677.92

Finding the Fourth Proportional to 22,235.04, 30,686.11 and 12,677.92

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Solution

The fourth proportional to 22,235.04, 30,686.11 and 12,677.92 is: 17,496.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,235.04 : 30,686.11 = 12,677.92 : x
  2. Step 2: Convert to fraction form
    22,235.04/30,686.11 = 12,677.92/x
  3. Step 3: Cross multiply
    22,235.04x = 30,686.11 × 12,677.92
  4. Step 4: Simplify right side
    22,235.04x = 389,035,939.28
  5. Step 5: Solve for x
    x = 389,035,939.28/22,235.04
  6. Step 6: Final answer
    x = 17,496.53

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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.