Home / 22,808.08-31,401.96-19,862.80

Finding the Fourth Proportional to 22,808.08, 31,401.96 and 19,862.80

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Solution

The fourth proportional to 22,808.08, 31,401.96 and 19,862.80 is: 27,346.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,808.08 : 31,401.96 = 19,862.80 : x
  2. Step 2: Convert to fraction form
    22,808.08/31,401.96 = 19,862.80/x
  3. Step 3: Cross multiply
    22,808.08x = 31,401.96 × 19,862.80
  4. Step 4: Simplify right side
    22,808.08x = 623,730,851.09
  5. Step 5: Solve for x
    x = 623,730,851.09/22,808.08
  6. Step 6: Final answer
    x = 27,346.92

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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.