Home / 22,860.40-34,263.18-11,772.30

Finding the Fourth Proportional to 22,860.40, 34,263.18 and 11,772.30

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Solution

The fourth proportional to 22,860.40, 34,263.18 and 11,772.30 is: 17,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,860.40 : 34,263.18 = 11,772.30 : x
  2. Step 2: Convert to fraction form
    22,860.40/34,263.18 = 11,772.30/x
  3. Step 3: Cross multiply
    22,860.40x = 34,263.18 × 11,772.30
  4. Step 4: Simplify right side
    22,860.40x = 403,356,433.91
  5. Step 5: Solve for x
    x = 403,356,433.91/22,860.40
  6. Step 6: Final answer
    x = 17,644.33

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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.