Home / 25,559.53-38,348.81-11,515.34

Finding the Fourth Proportional to 25,559.53, 38,348.81 and 11,515.34

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Solution

The fourth proportional to 25,559.53, 38,348.81 and 11,515.34 is: 17,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,559.53 : 38,348.81 = 11,515.34 : x
  2. Step 2: Convert to fraction form
    25,559.53/38,348.81 = 11,515.34/x
  3. Step 3: Cross multiply
    25,559.53x = 38,348.81 × 11,515.34
  4. Step 4: Simplify right side
    25,559.53x = 441,599,585.75
  5. Step 5: Solve for x
    x = 441,599,585.75/25,559.53
  6. Step 6: Final answer
    x = 17,277.30

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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.