Home / 19,439.36-29,159.94-6,292.76

Finding the Fourth Proportional to 19,439.36, 29,159.94 and 6,292.76

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Solution

The fourth proportional to 19,439.36, 29,159.94 and 6,292.76 is: 9,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.36 : 29,159.94 = 6,292.76 : x
  2. Step 2: Convert to fraction form
    19,439.36/29,159.94 = 6,292.76/x
  3. Step 3: Cross multiply
    19,439.36x = 29,159.94 × 6,292.76
  4. Step 4: Simplify right side
    19,439.36x = 183,496,504.03
  5. Step 5: Solve for x
    x = 183,496,504.03/19,439.36
  6. Step 6: Final answer
    x = 9,439.43

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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.