Home / 18,317.53-25,278.35-9,934.03

Finding the Fourth Proportional to 18,317.53, 25,278.35 and 9,934.03

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Solution

The fourth proportional to 18,317.53, 25,278.35 and 9,934.03 is: 13,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.53 : 25,278.35 = 9,934.03 : x
  2. Step 2: Convert to fraction form
    18,317.53/25,278.35 = 9,934.03/x
  3. Step 3: Cross multiply
    18,317.53x = 25,278.35 × 9,934.03
  4. Step 4: Simplify right side
    18,317.53x = 251,115,711.19
  5. Step 5: Solve for x
    x = 251,115,711.19/18,317.53
  6. Step 6: Final answer
    x = 13,709.04

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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.