Home / 21,510.26-32,229.02-10,422.26

Finding the Fourth Proportional to 21,510.26, 32,229.02 and 10,422.26

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Solution

The fourth proportional to 21,510.26, 32,229.02 and 10,422.26 is: 15,615.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,510.26 : 32,229.02 = 10,422.26 : x
  2. Step 2: Convert to fraction form
    21,510.26/32,229.02 = 10,422.26/x
  3. Step 3: Cross multiply
    21,510.26x = 32,229.02 × 10,422.26
  4. Step 4: Simplify right side
    21,510.26x = 335,899,225.99
  5. Step 5: Solve for x
    x = 335,899,225.99/21,510.26
  6. Step 6: Final answer
    x = 15,615.77

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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.