Home / 21,715.93-32,562.87-10,605.97

Finding the Fourth Proportional to 21,715.93, 32,562.87 and 10,605.97

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Solution

The fourth proportional to 21,715.93, 32,562.87 and 10,605.97 is: 15,903.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715.93 : 32,562.87 = 10,605.97 : x
  2. Step 2: Convert to fraction form
    21,715.93/32,562.87 = 10,605.97/x
  3. Step 3: Cross multiply
    21,715.93x = 32,562.87 × 10,605.97
  4. Step 4: Simplify right side
    21,715.93x = 345,360,822.33
  5. Step 5: Solve for x
    x = 345,360,822.33/21,715.93
  6. Step 6: Final answer
    x = 15,903.57

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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.