Home / 13,376.02-20,063.22-3,515.08

Finding the Fourth Proportional to 13,376.02, 20,063.22 and 3,515.08

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Solution

The fourth proportional to 13,376.02, 20,063.22 and 3,515.08 is: 5,272.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.02 : 20,063.22 = 3,515.08 : x
  2. Step 2: Convert to fraction form
    13,376.02/20,063.22 = 3,515.08/x
  3. Step 3: Cross multiply
    13,376.02x = 20,063.22 × 3,515.08
  4. Step 4: Simplify right side
    13,376.02x = 70,523,823.36
  5. Step 5: Solve for x
    x = 70,523,823.36/13,376.02
  6. Step 6: Final answer
    x = 5,272.41

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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.