Home / 22,051.12-30,433.03-12,491.66

Finding the Fourth Proportional to 22,051.12, 30,433.03 and 12,491.66

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Solution

The fourth proportional to 22,051.12, 30,433.03 and 12,491.66 is: 17,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,051.12 : 30,433.03 = 12,491.66 : x
  2. Step 2: Convert to fraction form
    22,051.12/30,433.03 = 12,491.66/x
  3. Step 3: Cross multiply
    22,051.12x = 30,433.03 × 12,491.66
  4. Step 4: Simplify right side
    22,051.12x = 380,159,063.53
  5. Step 5: Solve for x
    x = 380,159,063.53/22,051.12
  6. Step 6: Final answer
    x = 17,239.90

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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.