Home / 43,186.87-64,785.77-16,888.20

Finding the Fourth Proportional to 43,186.87, 64,785.77 and 16,888.20

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Solution

The fourth proportional to 43,186.87, 64,785.77 and 16,888.20 is: 25,334.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,186.87 : 64,785.77 = 16,888.20 : x
  2. Step 2: Convert to fraction form
    43,186.87/64,785.77 = 16,888.20/x
  3. Step 3: Cross multiply
    43,186.87x = 64,785.77 × 16,888.20
  4. Step 4: Simplify right side
    43,186.87x = 1,094,114,871.85
  5. Step 5: Solve for x
    x = 1,094,114,871.85/43,186.87
  6. Step 6: Final answer
    x = 25,334.43

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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.