Home / 14,101.10-19,461.26-8,132.78

Finding the Fourth Proportional to 14,101.10, 19,461.26 and 8,132.78

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Solution

The fourth proportional to 14,101.10, 19,461.26 and 8,132.78 is: 11,224.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.10 : 19,461.26 = 8,132.78 : x
  2. Step 2: Convert to fraction form
    14,101.10/19,461.26 = 8,132.78/x
  3. Step 3: Cross multiply
    14,101.10x = 19,461.26 × 8,132.78
  4. Step 4: Simplify right side
    14,101.10x = 158,274,146.10
  5. Step 5: Solve for x
    x = 158,274,146.10/14,101.10
  6. Step 6: Final answer
    x = 11,224.24

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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.