Home / 21,708.29-32,562.43-10,015.13

Finding the Fourth Proportional to 21,708.29, 32,562.43 and 10,015.13

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Solution

The fourth proportional to 21,708.29, 32,562.43 and 10,015.13 is: 15,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708.29 : 32,562.43 = 10,015.13 : x
  2. Step 2: Convert to fraction form
    21,708.29/32,562.43 = 10,015.13/x
  3. Step 3: Cross multiply
    21,708.29x = 32,562.43 × 10,015.13
  4. Step 4: Simplify right side
    21,708.29x = 326,116,969.57
  5. Step 5: Solve for x
    x = 326,116,969.57/21,708.29
  6. Step 6: Final answer
    x = 15,022.69

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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.