Home / 21,742.47-32,622.98-9,268.37

Finding the Fourth Proportional to 21,742.47, 32,622.98 and 9,268.37

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Solution

The fourth proportional to 21,742.47, 32,622.98 and 9,268.37 is: 13,906.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,742.47 : 32,622.98 = 9,268.37 : x
  2. Step 2: Convert to fraction form
    21,742.47/32,622.98 = 9,268.37/x
  3. Step 3: Cross multiply
    21,742.47x = 32,622.98 × 9,268.37
  4. Step 4: Simplify right side
    21,742.47x = 302,361,639.69
  5. Step 5: Solve for x
    x = 302,361,639.69/21,742.47
  6. Step 6: Final answer
    x = 13,906.50

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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.