Home / 21,875.13-32,817.39-7,083.79

Finding the Fourth Proportional to 21,875.13, 32,817.39 and 7,083.79

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Solution

The fourth proportional to 21,875.13, 32,817.39 and 7,083.79 is: 10,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,875.13 : 32,817.39 = 7,083.79 : x
  2. Step 2: Convert to fraction form
    21,875.13/32,817.39 = 7,083.79/x
  3. Step 3: Cross multiply
    21,875.13x = 32,817.39 × 7,083.79
  4. Step 4: Simplify right side
    21,875.13x = 232,471,390.50
  5. Step 5: Solve for x
    x = 232,471,390.50/21,875.13
  6. Step 6: Final answer
    x = 10,627.20

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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.