Home / 16,081.50-24,131.73-6,720.80

Finding the Fourth Proportional to 16,081.50, 24,131.73 and 6,720.80

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Solution

The fourth proportional to 16,081.50, 24,131.73 and 6,720.80 is: 10,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,081.50 : 24,131.73 = 6,720.80 : x
  2. Step 2: Convert to fraction form
    16,081.50/24,131.73 = 6,720.80/x
  3. Step 3: Cross multiply
    16,081.50x = 24,131.73 × 6,720.80
  4. Step 4: Simplify right side
    16,081.50x = 162,184,437.46
  5. Step 5: Solve for x
    x = 162,184,437.46/16,081.50
  6. Step 6: Final answer
    x = 10,085.16

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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.