Home / 13,343.76-20,015.63-3,482.95

Finding the Fourth Proportional to 13,343.76, 20,015.63 and 3,482.95

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Solution

The fourth proportional to 13,343.76, 20,015.63 and 3,482.95 is: 5,224.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.76 : 20,015.63 = 3,482.95 : x
  2. Step 2: Convert to fraction form
    13,343.76/20,015.63 = 3,482.95/x
  3. Step 3: Cross multiply
    13,343.76x = 20,015.63 × 3,482.95
  4. Step 4: Simplify right side
    13,343.76x = 69,713,397.18
  5. Step 5: Solve for x
    x = 69,713,397.18/13,343.76
  6. Step 6: Final answer
    x = 5,224.42

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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.