Home / 14,101.29-21,108.20-10,208.43

Finding the Fourth Proportional to 14,101.29, 21,108.20 and 10,208.43

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Solution

The fourth proportional to 14,101.29, 21,108.20 and 10,208.43 is: 15,280.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.29 : 21,108.20 = 10,208.43 : x
  2. Step 2: Convert to fraction form
    14,101.29/21,108.20 = 10,208.43/x
  3. Step 3: Cross multiply
    14,101.29x = 21,108.20 × 10,208.43
  4. Step 4: Simplify right side
    14,101.29x = 215,481,531.08
  5. Step 5: Solve for x
    x = 215,481,531.08/14,101.29
  6. Step 6: Final answer
    x = 15,280.98

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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.