Home / 14,100.72-21,154.05-5,335.44

Finding the Fourth Proportional to 14,100.72, 21,154.05 and 5,335.44

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Solution

The fourth proportional to 14,100.72, 21,154.05 and 5,335.44 is: 8,004.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.72 : 21,154.05 = 5,335.44 : x
  2. Step 2: Convert to fraction form
    14,100.72/21,154.05 = 5,335.44/x
  3. Step 3: Cross multiply
    14,100.72x = 21,154.05 × 5,335.44
  4. Step 4: Simplify right side
    14,100.72x = 112,866,164.53
  5. Step 5: Solve for x
    x = 112,866,164.53/14,100.72
  6. Step 6: Final answer
    x = 8,004.28

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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.