Home / 19,618.57-29,388.45-9,073.81

Finding the Fourth Proportional to 19,618.57, 29,388.45 and 9,073.81

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Solution

The fourth proportional to 19,618.57, 29,388.45 and 9,073.81 is: 13,592.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.57 : 29,388.45 = 9,073.81 : x
  2. Step 2: Convert to fraction form
    19,618.57/29,388.45 = 9,073.81/x
  3. Step 3: Cross multiply
    19,618.57x = 29,388.45 × 9,073.81
  4. Step 4: Simplify right side
    19,618.57x = 266,665,211.49
  5. Step 5: Solve for x
    x = 266,665,211.49/19,618.57
  6. Step 6: Final answer
    x = 13,592.49

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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.