Home / 67,189.76-100,784.85-16,588.80

Finding the Fourth Proportional to 67,189.76, 100,784.85 and 16,588.80

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Solution

The fourth proportional to 67,189.76, 100,784.85 and 16,588.80 is: 24,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,189.76 : 100,784.85 = 16,588.80 : x
  2. Step 2: Convert to fraction form
    67,189.76/100,784.85 = 16,588.80/x
  3. Step 3: Cross multiply
    67,189.76x = 100,784.85 × 16,588.80
  4. Step 4: Simplify right side
    67,189.76x = 1,671,899,719.68
  5. Step 5: Solve for x
    x = 1,671,899,719.68/67,189.76
  6. Step 6: Final answer
    x = 24,883.25

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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.