Home / 13,599.84-20,401.38-4,835.64

Finding the Fourth Proportional to 13,599.84, 20,401.38 and 4,835.64

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Solution

The fourth proportional to 13,599.84, 20,401.38 and 4,835.64 is: 7,254.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.84 : 20,401.38 = 4,835.64 : x
  2. Step 2: Convert to fraction form
    13,599.84/20,401.38 = 4,835.64/x
  3. Step 3: Cross multiply
    13,599.84x = 20,401.38 × 4,835.64
  4. Step 4: Simplify right side
    13,599.84x = 98,653,729.18
  5. Step 5: Solve for x
    x = 98,653,729.18/13,599.84
  6. Step 6: Final answer
    x = 7,254.04

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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.