Home / 22,575.51-31,170.83-20,896.11

Finding the Fourth Proportional to 22,575.51, 31,170.83 and 20,896.11

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Solution

The fourth proportional to 22,575.51, 31,170.83 and 20,896.11 is: 28,852.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,575.51 : 31,170.83 = 20,896.11 : x
  2. Step 2: Convert to fraction form
    22,575.51/31,170.83 = 20,896.11/x
  3. Step 3: Cross multiply
    22,575.51x = 31,170.83 × 20,896.11
  4. Step 4: Simplify right side
    22,575.51x = 651,348,987.99
  5. Step 5: Solve for x
    x = 651,348,987.99/22,575.51
  6. Step 6: Final answer
    x = 28,852.02

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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.