Home / 19,348.17-29,022.25-12,772.81

Finding the Fourth Proportional to 19,348.17, 29,022.25 and 12,772.81

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Solution

The fourth proportional to 19,348.17, 29,022.25 and 12,772.81 is: 19,159.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.17 : 29,022.25 = 12,772.81 : x
  2. Step 2: Convert to fraction form
    19,348.17/29,022.25 = 12,772.81/x
  3. Step 3: Cross multiply
    19,348.17x = 29,022.25 × 12,772.81
  4. Step 4: Simplify right side
    19,348.17x = 370,695,794.94
  5. Step 5: Solve for x
    x = 370,695,794.94/19,348.17
  6. Step 6: Final answer
    x = 19,159.22

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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.