Home / 27,266.83-37,627.99-15,330.21

Finding the Fourth Proportional to 27,266.83, 37,627.99 and 15,330.21

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Solution

The fourth proportional to 27,266.83, 37,627.99 and 15,330.21 is: 21,155.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,266.83 : 37,627.99 = 15,330.21 : x
  2. Step 2: Convert to fraction form
    27,266.83/37,627.99 = 15,330.21/x
  3. Step 3: Cross multiply
    27,266.83x = 37,627.99 × 15,330.21
  4. Step 4: Simplify right side
    27,266.83x = 576,845,107.04
  5. Step 5: Solve for x
    x = 576,845,107.04/27,266.83
  6. Step 6: Final answer
    x = 21,155.56

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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.