Home / 42,797.64-64,196.28-11,632.80

Finding the Fourth Proportional to 42,797.64, 64,196.28 and 11,632.80

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Solution

The fourth proportional to 42,797.64, 64,196.28 and 11,632.80 is: 17,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,797.64 : 64,196.28 = 11,632.80 : x
  2. Step 2: Convert to fraction form
    42,797.64/64,196.28 = 11,632.80/x
  3. Step 3: Cross multiply
    42,797.64x = 64,196.28 × 11,632.80
  4. Step 4: Simplify right side
    42,797.64x = 746,782,485.98
  5. Step 5: Solve for x
    x = 746,782,485.98/42,797.64
  6. Step 6: Final answer
    x = 17,449.15

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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.