Home / 22,618.70-31,219.53-14,557.82

Finding the Fourth Proportional to 22,618.70, 31,219.53 and 14,557.82

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Solution

The fourth proportional to 22,618.70, 31,219.53 and 14,557.82 is: 20,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.70 : 31,219.53 = 14,557.82 : x
  2. Step 2: Convert to fraction form
    22,618.70/31,219.53 = 14,557.82/x
  3. Step 3: Cross multiply
    22,618.70x = 31,219.53 × 14,557.82
  4. Step 4: Simplify right side
    22,618.70x = 454,488,298.22
  5. Step 5: Solve for x
    x = 454,488,298.22/22,618.70
  6. Step 6: Final answer
    x = 20,093.48

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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.