Home / 22,985.20-34,477.77-20,098.36

Finding the Fourth Proportional to 22,985.20, 34,477.77 and 20,098.36

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Solution

The fourth proportional to 22,985.20, 34,477.77 and 20,098.36 is: 30,147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,985.20 : 34,477.77 = 20,098.36 : x
  2. Step 2: Convert to fraction form
    22,985.20/34,477.77 = 20,098.36/x
  3. Step 3: Cross multiply
    22,985.20x = 34,477.77 × 20,098.36
  4. Step 4: Simplify right side
    22,985.20x = 692,946,633.46
  5. Step 5: Solve for x
    x = 692,946,633.46/22,985.20
  6. Step 6: Final answer
    x = 30,147.51

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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.