Home / 16,778.72-23,159.45-11,114.39

Finding the Fourth Proportional to 16,778.72, 23,159.45 and 11,114.39

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Solution

The fourth proportional to 16,778.72, 23,159.45 and 11,114.39 is: 15,341.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.72 : 23,159.45 = 11,114.39 : x
  2. Step 2: Convert to fraction form
    16,778.72/23,159.45 = 11,114.39/x
  3. Step 3: Cross multiply
    16,778.72x = 23,159.45 × 11,114.39
  4. Step 4: Simplify right side
    16,778.72x = 257,403,159.49
  5. Step 5: Solve for x
    x = 257,403,159.49/16,778.72
  6. Step 6: Final answer
    x = 15,341.05

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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.