Home / 32,817.76-45,288.86-18,671.51

Finding the Fourth Proportional to 32,817.76, 45,288.86 and 18,671.51

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Solution

The fourth proportional to 32,817.76, 45,288.86 and 18,671.51 is: 25,766.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,817.76 : 45,288.86 = 18,671.51 : x
  2. Step 2: Convert to fraction form
    32,817.76/45,288.86 = 18,671.51/x
  3. Step 3: Cross multiply
    32,817.76x = 45,288.86 × 18,671.51
  4. Step 4: Simplify right side
    32,817.76x = 845,611,422.24
  5. Step 5: Solve for x
    x = 845,611,422.24/32,817.76
  6. Step 6: Final answer
    x = 25,766.89

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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.