Home / 16,175.40-22,302.18-13,180.20

Finding the Fourth Proportional to 16,175.40, 22,302.18 and 13,180.20

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Solution

The fourth proportional to 16,175.40, 22,302.18 and 13,180.20 is: 18,172.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,175.40 : 22,302.18 = 13,180.20 : x
  2. Step 2: Convert to fraction form
    16,175.40/22,302.18 = 13,180.20/x
  3. Step 3: Cross multiply
    16,175.40x = 22,302.18 × 13,180.20
  4. Step 4: Simplify right side
    16,175.40x = 293,947,192.84
  5. Step 5: Solve for x
    x = 293,947,192.84/16,175.40
  6. Step 6: Final answer
    x = 18,172.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.