Home / 25,378.20-38,041.38-17,965.08

Finding the Fourth Proportional to 25,378.20, 38,041.38 and 17,965.08

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Solution

The fourth proportional to 25,378.20, 38,041.38 and 17,965.08 is: 26,929.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.20 : 38,041.38 = 17,965.08 : x
  2. Step 2: Convert to fraction form
    25,378.20/38,041.38 = 17,965.08/x
  3. Step 3: Cross multiply
    25,378.20x = 38,041.38 × 17,965.08
  4. Step 4: Simplify right side
    25,378.20x = 683,416,435.01
  5. Step 5: Solve for x
    x = 683,416,435.01/25,378.20
  6. Step 6: Final answer
    x = 26,929.27

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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.