Home / 27,286.66-37,653.56-15,347.69

Finding the Fourth Proportional to 27,286.66, 37,653.56 and 15,347.69

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Solution

The fourth proportional to 27,286.66, 37,653.56 and 15,347.69 is: 21,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.66 : 37,653.56 = 15,347.69 : x
  2. Step 2: Convert to fraction form
    27,286.66/37,653.56 = 15,347.69/x
  3. Step 3: Cross multiply
    27,286.66x = 37,653.56 × 15,347.69
  4. Step 4: Simplify right side
    27,286.66x = 577,894,901.27
  5. Step 5: Solve for x
    x = 577,894,901.27/27,286.66
  6. Step 6: Final answer
    x = 21,178.66

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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.