Home / 25,716.36-35,500.20-15,106.68

Finding the Fourth Proportional to 25,716.36, 35,500.20 and 15,106.68

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Solution

The fourth proportional to 25,716.36, 35,500.20 and 15,106.68 is: 20,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,716.36 : 35,500.20 = 15,106.68 : x
  2. Step 2: Convert to fraction form
    25,716.36/35,500.20 = 15,106.68/x
  3. Step 3: Cross multiply
    25,716.36x = 35,500.20 × 15,106.68
  4. Step 4: Simplify right side
    25,716.36x = 536,290,161.34
  5. Step 5: Solve for x
    x = 536,290,161.34/25,716.36
  6. Step 6: Final answer
    x = 20,854.05

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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.