Home / 21,745.80-32,594.40-9,263.70

Finding the Fourth Proportional to 21,745.80, 32,594.40 and 9,263.70

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Solution

The fourth proportional to 21,745.80, 32,594.40 and 9,263.70 is: 13,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,745.80 : 32,594.40 = 9,263.70 : x
  2. Step 2: Convert to fraction form
    21,745.80/32,594.40 = 9,263.70/x
  3. Step 3: Cross multiply
    21,745.80x = 32,594.40 × 9,263.70
  4. Step 4: Simplify right side
    21,745.80x = 301,944,743.28
  5. Step 5: Solve for x
    x = 301,944,743.28/21,745.80
  6. Step 6: Final answer
    x = 13,885.20

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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.