Home / 25,105.67-34,645.80-13,775.23

Finding the Fourth Proportional to 25,105.67, 34,645.80 and 13,775.23

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Solution

The fourth proportional to 25,105.67, 34,645.80 and 13,775.23 is: 19,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,105.67 : 34,645.80 = 13,775.23 : x
  2. Step 2: Convert to fraction form
    25,105.67/34,645.80 = 13,775.23/x
  3. Step 3: Cross multiply
    25,105.67x = 34,645.80 × 13,775.23
  4. Step 4: Simplify right side
    25,105.67x = 477,253,776.92
  5. Step 5: Solve for x
    x = 477,253,776.92/25,105.67
  6. Step 6: Final answer
    x = 19,009.80

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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.