Home / 13,595.90-20,401.28-5,276.24

Finding the Fourth Proportional to 13,595.90, 20,401.28 and 5,276.24

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Solution

The fourth proportional to 13,595.90, 20,401.28 and 5,276.24 is: 7,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.90 : 20,401.28 = 5,276.24 : x
  2. Step 2: Convert to fraction form
    13,595.90/20,401.28 = 5,276.24/x
  3. Step 3: Cross multiply
    13,595.90x = 20,401.28 × 5,276.24
  4. Step 4: Simplify right side
    13,595.90x = 107,642,049.59
  5. Step 5: Solve for x
    x = 107,642,049.59/13,595.90
  6. Step 6: Final answer
    x = 7,917.24

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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.