Home / 22,036.84-30,403.45-12,475.42

Finding the Fourth Proportional to 22,036.84, 30,403.45 and 12,475.42

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Solution

The fourth proportional to 22,036.84, 30,403.45 and 12,475.42 is: 17,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,036.84 : 30,403.45 = 12,475.42 : x
  2. Step 2: Convert to fraction form
    22,036.84/30,403.45 = 12,475.42/x
  3. Step 3: Cross multiply
    22,036.84x = 30,403.45 × 12,475.42
  4. Step 4: Simplify right side
    22,036.84x = 379,295,808.20
  5. Step 5: Solve for x
    x = 379,295,808.20/22,036.84
  6. Step 6: Final answer
    x = 17,211.90

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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.