Home / 27,285.66-37,599.66-19,718.64

Finding the Fourth Proportional to 27,285.66, 37,599.66 and 19,718.64

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Solution

The fourth proportional to 27,285.66, 37,599.66 and 19,718.64 is: 27,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.66 : 37,599.66 = 19,718.64 : x
  2. Step 2: Convert to fraction form
    27,285.66/37,599.66 = 19,718.64/x
  3. Step 3: Cross multiply
    27,285.66x = 37,599.66 × 19,718.64
  4. Step 4: Simplify right side
    27,285.66x = 741,414,159.66
  5. Step 5: Solve for x
    x = 741,414,159.66/27,285.66
  6. Step 6: Final answer
    x = 27,172.30

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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.