Home / 25,360.68-34,998.48-13,876.28

Finding the Fourth Proportional to 25,360.68, 34,998.48 and 13,876.28

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Solution

The fourth proportional to 25,360.68, 34,998.48 and 13,876.28 is: 19,149.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,360.68 : 34,998.48 = 13,876.28 : x
  2. Step 2: Convert to fraction form
    25,360.68/34,998.48 = 13,876.28/x
  3. Step 3: Cross multiply
    25,360.68x = 34,998.48 × 13,876.28
  4. Step 4: Simplify right side
    25,360.68x = 485,648,708.05
  5. Step 5: Solve for x
    x = 485,648,708.05/25,360.68
  6. Step 6: Final answer
    x = 19,149.67

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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.