Home / 19,340.48-29,012.21-8,247.23

Finding the Fourth Proportional to 19,340.48, 29,012.21 and 8,247.23

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Solution

The fourth proportional to 19,340.48, 29,012.21 and 8,247.23 is: 12,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,340.48 : 29,012.21 = 8,247.23 : x
  2. Step 2: Convert to fraction form
    19,340.48/29,012.21 = 8,247.23/x
  3. Step 3: Cross multiply
    19,340.48x = 29,012.21 × 8,247.23
  4. Step 4: Simplify right side
    19,340.48x = 239,270,322.10
  5. Step 5: Solve for x
    x = 239,270,322.10/19,340.48
  6. Step 6: Final answer
    x = 12,371.48

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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.