Home / 21,801.60-32,718.96-15,973.44

Finding the Fourth Proportional to 21,801.60, 32,718.96 and 15,973.44

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Solution

The fourth proportional to 21,801.60, 32,718.96 and 15,973.44 is: 23,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,801.60 : 32,718.96 = 15,973.44 : x
  2. Step 2: Convert to fraction form
    21,801.60/32,718.96 = 15,973.44/x
  3. Step 3: Cross multiply
    21,801.60x = 32,718.96 × 15,973.44
  4. Step 4: Simplify right side
    21,801.60x = 522,634,344.42
  5. Step 5: Solve for x
    x = 522,634,344.42/21,801.60
  6. Step 6: Final answer
    x = 23,972.29

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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.