Home / 21,972.16-32,957.99-5,332.37

Finding the Fourth Proportional to 21,972.16, 32,957.99 and 5,332.37

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Solution

The fourth proportional to 21,972.16, 32,957.99 and 5,332.37 is: 7,998.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,972.16 : 32,957.99 = 5,332.37 : x
  2. Step 2: Convert to fraction form
    21,972.16/32,957.99 = 5,332.37/x
  3. Step 3: Cross multiply
    21,972.16x = 32,957.99 × 5,332.37
  4. Step 4: Simplify right side
    21,972.16x = 175,744,170.47
  5. Step 5: Solve for x
    x = 175,744,170.47/21,972.16
  6. Step 6: Final answer
    x = 7,998.49

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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.