Home / 25,106.57-34,645.91-13,775.79

Finding the Fourth Proportional to 25,106.57, 34,645.91 and 13,775.79

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Solution

The fourth proportional to 25,106.57, 34,645.91 and 13,775.79 is: 19,009.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,106.57 : 34,645.91 = 13,775.79 : x
  2. Step 2: Convert to fraction form
    25,106.57/34,645.91 = 13,775.79/x
  3. Step 3: Cross multiply
    25,106.57x = 34,645.91 × 13,775.79
  4. Step 4: Simplify right side
    25,106.57x = 477,274,814.96
  5. Step 5: Solve for x
    x = 477,274,814.96/25,106.57
  6. Step 6: Final answer
    x = 19,009.96

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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.