Home / 25,453.72-35,168.37-20,117.04

Finding the Fourth Proportional to 25,453.72, 35,168.37 and 20,117.04

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Solution

The fourth proportional to 25,453.72, 35,168.37 and 20,117.04 is: 27,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,453.72 : 35,168.37 = 20,117.04 : x
  2. Step 2: Convert to fraction form
    25,453.72/35,168.37 = 20,117.04/x
  3. Step 3: Cross multiply
    25,453.72x = 35,168.37 × 20,117.04
  4. Step 4: Simplify right side
    25,453.72x = 707,483,506.02
  5. Step 5: Solve for x
    x = 707,483,506.02/25,453.72
  6. Step 6: Final answer
    x = 27,794.90

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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.