Home / 19,666.53-29,348.78-17,564.58

Finding the Fourth Proportional to 19,666.53, 29,348.78 and 17,564.58

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Solution

The fourth proportional to 19,666.53, 29,348.78 and 17,564.58 is: 26,211.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666.53 : 29,348.78 = 17,564.58 : x
  2. Step 2: Convert to fraction form
    19,666.53/29,348.78 = 17,564.58/x
  3. Step 3: Cross multiply
    19,666.53x = 29,348.78 × 17,564.58
  4. Step 4: Simplify right side
    19,666.53x = 515,498,906.39
  5. Step 5: Solve for x
    x = 515,498,906.39/19,666.53
  6. Step 6: Final answer
    x = 26,211.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.