Home / 25,105.08-34,645.38-13,775.70

Finding the Fourth Proportional to 25,105.08, 34,645.38 and 13,775.70

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Solution

The fourth proportional to 25,105.08, 34,645.38 and 13,775.70 is: 19,010.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,105.08 : 34,645.38 = 13,775.70 : x
  2. Step 2: Convert to fraction form
    25,105.08/34,645.38 = 13,775.70/x
  3. Step 3: Cross multiply
    25,105.08x = 34,645.38 × 13,775.70
  4. Step 4: Simplify right side
    25,105.08x = 477,264,361.27
  5. Step 5: Solve for x
    x = 477,264,361.27/25,105.08
  6. Step 6: Final answer
    x = 19,010.67

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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.