Home / 19,743.94-29,616.05-7,898.70

Finding the Fourth Proportional to 19,743.94, 29,616.05 and 7,898.70

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Solution

The fourth proportional to 19,743.94, 29,616.05 and 7,898.70 is: 11,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,743.94 : 29,616.05 = 7,898.70 : x
  2. Step 2: Convert to fraction form
    19,743.94/29,616.05 = 7,898.70/x
  3. Step 3: Cross multiply
    19,743.94x = 29,616.05 × 7,898.70
  4. Step 4: Simplify right side
    19,743.94x = 233,928,294.14
  5. Step 5: Solve for x
    x = 233,928,294.14/19,743.94
  6. Step 6: Final answer
    x = 11,848.11

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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.