Home / 14,865.20-22,265.40-13,223.60

Finding the Fourth Proportional to 14,865.20, 22,265.40 and 13,223.60

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Solution

The fourth proportional to 14,865.20, 22,265.40 and 13,223.60 is: 19,806.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.20 : 22,265.40 = 13,223.60 : x
  2. Step 2: Convert to fraction form
    14,865.20/22,265.40 = 13,223.60/x
  3. Step 3: Cross multiply
    14,865.20x = 22,265.40 × 13,223.60
  4. Step 4: Simplify right side
    14,865.20x = 294,428,743.44
  5. Step 5: Solve for x
    x = 294,428,743.44/14,865.20
  6. Step 6: Final answer
    x = 19,806.58

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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.