Home / 23,276.87-32,121.77-12,666.48

Finding the Fourth Proportional to 23,276.87, 32,121.77 and 12,666.48

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Solution

The fourth proportional to 23,276.87, 32,121.77 and 12,666.48 is: 17,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,276.87 : 32,121.77 = 12,666.48 : x
  2. Step 2: Convert to fraction form
    23,276.87/32,121.77 = 12,666.48/x
  3. Step 3: Cross multiply
    23,276.87x = 32,121.77 × 12,666.48
  4. Step 4: Simplify right side
    23,276.87x = 406,869,645.30
  5. Step 5: Solve for x
    x = 406,869,645.30/23,276.87
  6. Step 6: Final answer
    x = 17,479.57

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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.