Home / 32,869.91-45,349.40-18,712.73

Finding the Fourth Proportional to 32,869.91, 45,349.40 and 18,712.73

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Solution

The fourth proportional to 32,869.91, 45,349.40 and 18,712.73 is: 25,817.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,869.91 : 45,349.40 = 18,712.73 : x
  2. Step 2: Convert to fraction form
    32,869.91/45,349.40 = 18,712.73/x
  3. Step 3: Cross multiply
    32,869.91x = 45,349.40 × 18,712.73
  4. Step 4: Simplify right side
    32,869.91x = 848,610,984.30
  5. Step 5: Solve for x
    x = 848,610,984.30/32,869.91
  6. Step 6: Final answer
    x = 25,817.26

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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.