Home / 27,351.52-37,730.63-18,839.00

Finding the Fourth Proportional to 27,351.52, 37,730.63 and 18,839.00

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Solution

The fourth proportional to 27,351.52, 37,730.63 and 18,839.00 is: 25,987.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,351.52 : 37,730.63 = 18,839.00 : x
  2. Step 2: Convert to fraction form
    27,351.52/37,730.63 = 18,839.00/x
  3. Step 3: Cross multiply
    27,351.52x = 37,730.63 × 18,839.00
  4. Step 4: Simplify right side
    27,351.52x = 710,807,479.99
  5. Step 5: Solve for x
    x = 710,807,479.99/27,351.52
  6. Step 6: Final answer
    x = 25,987.86

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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.