Home / 22,017.28-30,383.84-12,586.04

Finding the Fourth Proportional to 22,017.28, 30,383.84 and 12,586.04

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Solution

The fourth proportional to 22,017.28, 30,383.84 and 12,586.04 is: 17,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017.28 : 30,383.84 = 12,586.04 : x
  2. Step 2: Convert to fraction form
    22,017.28/30,383.84 = 12,586.04/x
  3. Step 3: Cross multiply
    22,017.28x = 30,383.84 × 12,586.04
  4. Step 4: Simplify right side
    22,017.28x = 382,412,225.59
  5. Step 5: Solve for x
    x = 382,412,225.59/22,017.28
  6. Step 6: Final answer
    x = 17,368.73

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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.