Home / 23,965.40-33,055.16-20,772.99

Finding the Fourth Proportional to 23,965.40, 33,055.16 and 20,772.99

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Solution

The fourth proportional to 23,965.40, 33,055.16 and 20,772.99 is: 28,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,965.40 : 33,055.16 = 20,772.99 : x
  2. Step 2: Convert to fraction form
    23,965.40/33,055.16 = 20,772.99/x
  3. Step 3: Cross multiply
    23,965.40x = 33,055.16 × 20,772.99
  4. Step 4: Simplify right side
    23,965.40x = 686,654,404.26
  5. Step 5: Solve for x
    x = 686,654,404.26/23,965.40
  6. Step 6: Final answer
    x = 28,651.91

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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.