Home / 22,477.70-31,026.35-13,974.80

Finding the Fourth Proportional to 22,477.70, 31,026.35 and 13,974.80

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Solution

The fourth proportional to 22,477.70, 31,026.35 and 13,974.80 is: 19,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,477.70 : 31,026.35 = 13,974.80 : x
  2. Step 2: Convert to fraction form
    22,477.70/31,026.35 = 13,974.80/x
  3. Step 3: Cross multiply
    22,477.70x = 31,026.35 × 13,974.80
  4. Step 4: Simplify right side
    22,477.70x = 433,587,148.14
  5. Step 5: Solve for x
    x = 433,587,148.14/22,477.70
  6. Step 6: Final answer
    x = 19,289.65

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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.