Home / 13,595.28-20,360.10-7,734.12

Finding the Fourth Proportional to 13,595.28, 20,360.10 and 7,734.12

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Solution

The fourth proportional to 13,595.28, 20,360.10 and 7,734.12 is: 11,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.28 : 20,360.10 = 7,734.12 : x
  2. Step 2: Convert to fraction form
    13,595.28/20,360.10 = 7,734.12/x
  3. Step 3: Cross multiply
    13,595.28x = 20,360.10 × 7,734.12
  4. Step 4: Simplify right side
    13,595.28x = 157,467,456.61
  5. Step 5: Solve for x
    x = 157,467,456.61/13,595.28
  6. Step 6: Final answer
    x = 11,582.51

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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.