Home / 19,763.91-29,657.57-7,292.72

Finding the Fourth Proportional to 19,763.91, 29,657.57 and 7,292.72

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Solution

The fourth proportional to 19,763.91, 29,657.57 and 7,292.72 is: 10,943.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,763.91 : 29,657.57 = 7,292.72 : x
  2. Step 2: Convert to fraction form
    19,763.91/29,657.57 = 7,292.72/x
  3. Step 3: Cross multiply
    19,763.91x = 29,657.57 × 7,292.72
  4. Step 4: Simplify right side
    19,763.91x = 216,284,169.14
  5. Step 5: Solve for x
    x = 216,284,169.14/19,763.91
  6. Step 6: Final answer
    x = 10,943.39

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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.