Home / 19,618.80-27,074.47-10,666.92

Finding the Fourth Proportional to 19,618.80, 27,074.47 and 10,666.92

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Solution

The fourth proportional to 19,618.80, 27,074.47 and 10,666.92 is: 14,720.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.80 : 27,074.47 = 10,666.92 : x
  2. Step 2: Convert to fraction form
    19,618.80/27,074.47 = 10,666.92/x
  3. Step 3: Cross multiply
    19,618.80x = 27,074.47 × 10,666.92
  4. Step 4: Simplify right side
    19,618.80x = 288,801,043.49
  5. Step 5: Solve for x
    x = 288,801,043.49/19,618.80
  6. Step 6: Final answer
    x = 14,720.63

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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.