Home / 19,617.99-27,073.35-10,666.09

Finding the Fourth Proportional to 19,617.99, 27,073.35 and 10,666.09

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Solution

The fourth proportional to 19,617.99, 27,073.35 and 10,666.09 is: 14,719.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.99 : 27,073.35 = 10,666.09 : x
  2. Step 2: Convert to fraction form
    19,617.99/27,073.35 = 10,666.09/x
  3. Step 3: Cross multiply
    19,617.99x = 27,073.35 × 10,666.09
  4. Step 4: Simplify right side
    19,617.99x = 288,766,787.70
  5. Step 5: Solve for x
    x = 288,766,787.70/19,617.99
  6. Step 6: Final answer
    x = 14,719.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.