Home / 27,943.79-38,536.07-18,366.76

Finding the Fourth Proportional to 27,943.79, 38,536.07 and 18,366.76

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Solution

The fourth proportional to 27,943.79, 38,536.07 and 18,366.76 is: 25,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,943.79 : 38,536.07 = 18,366.76 : x
  2. Step 2: Convert to fraction form
    27,943.79/38,536.07 = 18,366.76/x
  3. Step 3: Cross multiply
    27,943.79x = 38,536.07 × 18,366.76
  4. Step 4: Simplify right side
    27,943.79x = 707,782,698.61
  5. Step 5: Solve for x
    x = 707,782,698.61/27,943.79
  6. Step 6: Final answer
    x = 25,328.80

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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.