Home / 53,606.68-80,321.40-18,526.84

Finding the Fourth Proportional to 53,606.68, 80,321.40 and 18,526.84

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Solution

The fourth proportional to 53,606.68, 80,321.40 and 18,526.84 is: 27,759.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,606.68 : 80,321.40 = 18,526.84 : x
  2. Step 2: Convert to fraction form
    53,606.68/80,321.40 = 18,526.84/x
  3. Step 3: Cross multiply
    53,606.68x = 80,321.40 × 18,526.84
  4. Step 4: Simplify right side
    53,606.68x = 1,488,101,726.38
  5. Step 5: Solve for x
    x = 1,488,101,726.38/53,606.68
  6. Step 6: Final answer
    x = 27,759.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.