Home / 32,866.96-45,356.39-18,721.12

Finding the Fourth Proportional to 32,866.96, 45,356.39 and 18,721.12

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Solution

The fourth proportional to 32,866.96, 45,356.39 and 18,721.12 is: 25,835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,866.96 : 45,356.39 = 18,721.12 : x
  2. Step 2: Convert to fraction form
    32,866.96/45,356.39 = 18,721.12/x
  3. Step 3: Cross multiply
    32,866.96x = 45,356.39 × 18,721.12
  4. Step 4: Simplify right side
    32,866.96x = 849,122,419.96
  5. Step 5: Solve for x
    x = 849,122,419.96/32,866.96
  6. Step 6: Final answer
    x = 25,835.14

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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.