Home / 13,599.61-20,401.23-9,375.05

Finding the Fourth Proportional to 13,599.61, 20,401.23 and 9,375.05

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Solution

The fourth proportional to 13,599.61, 20,401.23 and 9,375.05 is: 14,063.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.61 : 20,401.23 = 9,375.05 : x
  2. Step 2: Convert to fraction form
    13,599.61/20,401.23 = 9,375.05/x
  3. Step 3: Cross multiply
    13,599.61x = 20,401.23 × 9,375.05
  4. Step 4: Simplify right side
    13,599.61x = 191,262,551.31
  5. Step 5: Solve for x
    x = 191,262,551.31/13,599.61
  6. Step 6: Final answer
    x = 14,063.83

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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.