Home / 22,860.64-31,477.55-20,012.07

Finding the Fourth Proportional to 22,860.64, 31,477.55 and 20,012.07

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Solution

The fourth proportional to 22,860.64, 31,477.55 and 20,012.07 is: 27,555.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,860.64 : 31,477.55 = 20,012.07 : x
  2. Step 2: Convert to fraction form
    22,860.64/31,477.55 = 20,012.07/x
  3. Step 3: Cross multiply
    22,860.64x = 31,477.55 × 20,012.07
  4. Step 4: Simplify right side
    22,860.64x = 629,930,934.03
  5. Step 5: Solve for x
    x = 629,930,934.03/22,860.64
  6. Step 6: Final answer
    x = 27,555.26

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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.