Home / 27,070.68-37,357.88-15,134.12

Finding the Fourth Proportional to 27,070.68, 37,357.88 and 15,134.12

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Solution

The fourth proportional to 27,070.68, 37,357.88 and 15,134.12 is: 20,885.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,070.68 : 37,357.88 = 15,134.12 : x
  2. Step 2: Convert to fraction form
    27,070.68/37,357.88 = 15,134.12/x
  3. Step 3: Cross multiply
    27,070.68x = 37,357.88 × 15,134.12
  4. Step 4: Simplify right side
    27,070.68x = 565,378,638.87
  5. Step 5: Solve for x
    x = 565,378,638.87/27,070.68
  6. Step 6: Final answer
    x = 20,885.28

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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.