Home / 21,361.01-32,023.27-15,101.33

Finding the Fourth Proportional to 21,361.01, 32,023.27 and 15,101.33

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Solution

The fourth proportional to 21,361.01, 32,023.27 and 15,101.33 is: 22,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,361.01 : 32,023.27 = 15,101.33 : x
  2. Step 2: Convert to fraction form
    21,361.01/32,023.27 = 15,101.33/x
  3. Step 3: Cross multiply
    21,361.01x = 32,023.27 × 15,101.33
  4. Step 4: Simplify right side
    21,361.01x = 483,593,967.95
  5. Step 5: Solve for x
    x = 483,593,967.95/21,361.01
  6. Step 6: Final answer
    x = 22,639.10

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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.