Home / 14,132.59-21,199.34-7,108.77

Finding the Fourth Proportional to 14,132.59, 21,199.34 and 7,108.77

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Solution

The fourth proportional to 14,132.59, 21,199.34 and 7,108.77 is: 10,663.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.59 : 21,199.34 = 7,108.77 : x
  2. Step 2: Convert to fraction form
    14,132.59/21,199.34 = 7,108.77/x
  3. Step 3: Cross multiply
    14,132.59x = 21,199.34 × 7,108.77
  4. Step 4: Simplify right side
    14,132.59x = 150,701,229.87
  5. Step 5: Solve for x
    x = 150,701,229.87/14,132.59
  6. Step 6: Final answer
    x = 10,663.38

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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.