Home / 22,486.58-31,030.13-12,414.77

Finding the Fourth Proportional to 22,486.58, 31,030.13 and 12,414.77

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Solution

The fourth proportional to 22,486.58, 31,030.13 and 12,414.77 is: 17,131.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486.58 : 31,030.13 = 12,414.77 : x
  2. Step 2: Convert to fraction form
    22,486.58/31,030.13 = 12,414.77/x
  3. Step 3: Cross multiply
    22,486.58x = 31,030.13 × 12,414.77
  4. Step 4: Simplify right side
    22,486.58x = 385,231,709.80
  5. Step 5: Solve for x
    x = 385,231,709.80/22,486.58
  6. Step 6: Final answer
    x = 17,131.63

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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.