Home / 19,618.55-27,073.54-10,665.99

Finding the Fourth Proportional to 19,618.55, 27,073.54 and 10,665.99

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Solution

The fourth proportional to 19,618.55, 27,073.54 and 10,665.99 is: 14,719.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.55 : 27,073.54 = 10,665.99 : x
  2. Step 2: Convert to fraction form
    19,618.55/27,073.54 = 10,665.99/x
  3. Step 3: Cross multiply
    19,618.55x = 27,073.54 × 10,665.99
  4. Step 4: Simplify right side
    19,618.55x = 288,766,106.90
  5. Step 5: Solve for x
    x = 288,766,106.90/19,618.55
  6. Step 6: Final answer
    x = 14,719.03

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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.