Home / 13,272.02-19,908.30-3,411.35

Finding the Fourth Proportional to 13,272.02, 19,908.30 and 3,411.35

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Solution

The fourth proportional to 13,272.02, 19,908.30 and 3,411.35 is: 5,117.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.02 : 19,908.30 = 3,411.35 : x
  2. Step 2: Convert to fraction form
    13,272.02/19,908.30 = 3,411.35/x
  3. Step 3: Cross multiply
    13,272.02x = 19,908.30 × 3,411.35
  4. Step 4: Simplify right side
    13,272.02x = 67,914,179.21
  5. Step 5: Solve for x
    x = 67,914,179.21/13,272.02
  6. Step 6: Final answer
    x = 5,117.09

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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.