Home / 25,835.72-38,754.56-7,117.20

Finding the Fourth Proportional to 25,835.72, 38,754.56 and 7,117.20

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Solution

The fourth proportional to 25,835.72, 38,754.56 and 7,117.20 is: 10,676.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,835.72 : 38,754.56 = 7,117.20 : x
  2. Step 2: Convert to fraction form
    25,835.72/38,754.56 = 7,117.20/x
  3. Step 3: Cross multiply
    25,835.72x = 38,754.56 × 7,117.20
  4. Step 4: Simplify right side
    25,835.72x = 275,823,954.43
  5. Step 5: Solve for x
    x = 275,823,954.43/25,835.72
  6. Step 6: Final answer
    x = 10,676.07

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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.