Home / 19,867.21-29,794.23-8,017.92

Finding the Fourth Proportional to 19,867.21, 29,794.23 and 8,017.92

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Solution

The fourth proportional to 19,867.21, 29,794.23 and 8,017.92 is: 12,024.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.21 : 29,794.23 = 8,017.92 : x
  2. Step 2: Convert to fraction form
    19,867.21/29,794.23 = 8,017.92/x
  3. Step 3: Cross multiply
    19,867.21x = 29,794.23 × 8,017.92
  4. Step 4: Simplify right side
    19,867.21x = 238,887,752.60
  5. Step 5: Solve for x
    x = 238,887,752.60/19,867.21
  6. Step 6: Final answer
    x = 12,024.22

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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.