Home / 19,613.30-27,066.36-10,660.81

Finding the Fourth Proportional to 19,613.30, 27,066.36 and 10,660.81

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Solution

The fourth proportional to 19,613.30, 27,066.36 and 10,660.81 is: 14,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.30 : 27,066.36 = 10,660.81 : x
  2. Step 2: Convert to fraction form
    19,613.30/27,066.36 = 10,660.81/x
  3. Step 3: Cross multiply
    19,613.30x = 27,066.36 × 10,660.81
  4. Step 4: Simplify right side
    19,613.30x = 288,549,321.35
  5. Step 5: Solve for x
    x = 288,549,321.35/19,613.30
  6. Step 6: Final answer
    x = 14,711.92

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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.