Home / 32,989.68-45,530.40-18,843.36

Finding the Fourth Proportional to 32,989.68, 45,530.40 and 18,843.36

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Solution

The fourth proportional to 32,989.68, 45,530.40 and 18,843.36 is: 26,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.68 : 45,530.40 = 18,843.36 : x
  2. Step 2: Convert to fraction form
    32,989.68/45,530.40 = 18,843.36/x
  3. Step 3: Cross multiply
    32,989.68x = 45,530.40 × 18,843.36
  4. Step 4: Simplify right side
    32,989.68x = 857,945,718.14
  5. Step 5: Solve for x
    x = 857,945,718.14/32,989.68
  6. Step 6: Final answer
    x = 26,006.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.