Home / 25,403.68-38,106.36-8,763.52

Finding the Fourth Proportional to 25,403.68, 38,106.36 and 8,763.52

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Solution

The fourth proportional to 25,403.68, 38,106.36 and 8,763.52 is: 13,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,403.68 : 38,106.36 = 8,763.52 : x
  2. Step 2: Convert to fraction form
    25,403.68/38,106.36 = 8,763.52/x
  3. Step 3: Cross multiply
    25,403.68x = 38,106.36 × 8,763.52
  4. Step 4: Simplify right side
    25,403.68x = 333,945,847.99
  5. Step 5: Solve for x
    x = 333,945,847.99/25,403.68
  6. Step 6: Final answer
    x = 13,145.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.