Home / 27,145.68-37,462.07-15,208.61

Finding the Fourth Proportional to 27,145.68, 37,462.07 and 15,208.61

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Solution

The fourth proportional to 27,145.68, 37,462.07 and 15,208.61 is: 20,988.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.68 : 37,462.07 = 15,208.61 : x
  2. Step 2: Convert to fraction form
    27,145.68/37,462.07 = 15,208.61/x
  3. Step 3: Cross multiply
    27,145.68x = 37,462.07 × 15,208.61
  4. Step 4: Simplify right side
    27,145.68x = 569,745,749.07
  5. Step 5: Solve for x
    x = 569,745,749.07/27,145.68
  6. Step 6: Final answer
    x = 20,988.45

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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.