Home / 22,355.52-33,514.08-12,486.72

Finding the Fourth Proportional to 22,355.52, 33,514.08 and 12,486.72

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Solution

The fourth proportional to 22,355.52, 33,514.08 and 12,486.72 is: 18,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,355.52 : 33,514.08 = 12,486.72 : x
  2. Step 2: Convert to fraction form
    22,355.52/33,514.08 = 12,486.72/x
  3. Step 3: Cross multiply
    22,355.52x = 33,514.08 × 12,486.72
  4. Step 4: Simplify right side
    22,355.52x = 418,480,933.02
  5. Step 5: Solve for x
    x = 418,480,933.02/22,355.52
  6. Step 6: Final answer
    x = 18,719.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.