Home / 27,285.32-37,653.49-15,348.74

Finding the Fourth Proportional to 27,285.32, 37,653.49 and 15,348.74

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Solution

The fourth proportional to 27,285.32, 37,653.49 and 15,348.74 is: 21,181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.32 : 37,653.49 = 15,348.74 : x
  2. Step 2: Convert to fraction form
    27,285.32/37,653.49 = 15,348.74/x
  3. Step 3: Cross multiply
    27,285.32x = 37,653.49 × 15,348.74
  4. Step 4: Simplify right side
    27,285.32x = 577,933,459.02
  5. Step 5: Solve for x
    x = 577,933,459.02/27,285.32
  6. Step 6: Final answer
    x = 21,181.11

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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.