Home / 16,770.60-23,150.49-11,320.74

Finding the Fourth Proportional to 16,770.60, 23,150.49 and 11,320.74

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Solution

The fourth proportional to 16,770.60, 23,150.49 and 11,320.74 is: 15,627.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.60 : 23,150.49 = 11,320.74 : x
  2. Step 2: Convert to fraction form
    16,770.60/23,150.49 = 11,320.74/x
  3. Step 3: Cross multiply
    16,770.60x = 23,150.49 × 11,320.74
  4. Step 4: Simplify right side
    16,770.60x = 262,080,678.16
  5. Step 5: Solve for x
    x = 262,080,678.16/16,770.60
  6. Step 6: Final answer
    x = 15,627.39

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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.