Home / 19,778.49-29,658.14-7,304.39

Finding the Fourth Proportional to 19,778.49, 29,658.14 and 7,304.39

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Solution

The fourth proportional to 19,778.49, 29,658.14 and 7,304.39 is: 10,953.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778.49 : 29,658.14 = 7,304.39 : x
  2. Step 2: Convert to fraction form
    19,778.49/29,658.14 = 7,304.39/x
  3. Step 3: Cross multiply
    19,778.49x = 29,658.14 × 7,304.39
  4. Step 4: Simplify right side
    19,778.49x = 216,634,436.42
  5. Step 5: Solve for x
    x = 216,634,436.42/19,778.49
  6. Step 6: Final answer
    x = 10,953.03

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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.