Home / 19,614.15-27,066.96-10,661.49

Finding the Fourth Proportional to 19,614.15, 27,066.96 and 10,661.49

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Solution

The fourth proportional to 19,614.15, 27,066.96 and 10,661.49 is: 14,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.15 : 27,066.96 = 10,661.49 : x
  2. Step 2: Convert to fraction form
    19,614.15/27,066.96 = 10,661.49/x
  3. Step 3: Cross multiply
    19,614.15x = 27,066.96 × 10,661.49
  4. Step 4: Simplify right side
    19,614.15x = 288,574,123.37
  5. Step 5: Solve for x
    x = 288,574,123.37/19,614.15
  6. Step 6: Final answer
    x = 14,712.55

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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.