Home / 22,109.74-30,512.28-12,038.74

Finding the Fourth Proportional to 22,109.74, 30,512.28 and 12,038.74

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Solution

The fourth proportional to 22,109.74, 30,512.28 and 12,038.74 is: 16,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,109.74 : 30,512.28 = 12,038.74 : x
  2. Step 2: Convert to fraction form
    22,109.74/30,512.28 = 12,038.74/x
  3. Step 3: Cross multiply
    22,109.74x = 30,512.28 × 12,038.74
  4. Step 4: Simplify right side
    22,109.74x = 367,329,405.73
  5. Step 5: Solve for x
    x = 367,329,405.73/22,109.74
  6. Step 6: Final answer
    x = 16,613.92

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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.