Home / 25,623.36-38,446.56-13,919.04

Finding the Fourth Proportional to 25,623.36, 38,446.56 and 13,919.04

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Solution

The fourth proportional to 25,623.36, 38,446.56 and 13,919.04 is: 20,884.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,623.36 : 38,446.56 = 13,919.04 : x
  2. Step 2: Convert to fraction form
    25,623.36/38,446.56 = 13,919.04/x
  3. Step 3: Cross multiply
    25,623.36x = 38,446.56 × 13,919.04
  4. Step 4: Simplify right side
    25,623.36x = 535,139,206.50
  5. Step 5: Solve for x
    x = 535,139,206.50/25,623.36
  6. Step 6: Final answer
    x = 20,884.82

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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.