Home / 25,123.80-34,672.09-13,793.21

Finding the Fourth Proportional to 25,123.80, 34,672.09 and 13,793.21

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Solution

The fourth proportional to 25,123.80, 34,672.09 and 13,793.21 is: 19,035.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,123.80 : 34,672.09 = 13,793.21 : x
  2. Step 2: Convert to fraction form
    25,123.80/34,672.09 = 13,793.21/x
  3. Step 3: Cross multiply
    25,123.80x = 34,672.09 × 13,793.21
  4. Step 4: Simplify right side
    25,123.80x = 478,239,418.51
  5. Step 5: Solve for x
    x = 478,239,418.51/25,123.80
  6. Step 6: Final answer
    x = 19,035.31

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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.