Home / 25,809.14-38,720.20-7,341.14

Finding the Fourth Proportional to 25,809.14, 38,720.20 and 7,341.14

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Solution

The fourth proportional to 25,809.14, 38,720.20 and 7,341.14 is: 11,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,809.14 : 38,720.20 = 7,341.14 : x
  2. Step 2: Convert to fraction form
    25,809.14/38,720.20 = 7,341.14/x
  3. Step 3: Cross multiply
    25,809.14x = 38,720.20 × 7,341.14
  4. Step 4: Simplify right side
    25,809.14x = 284,250,409.03
  5. Step 5: Solve for x
    x = 284,250,409.03/25,809.14
  6. Step 6: Final answer
    x = 11,013.56

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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.