Home / 27,138.71-37,434.85-17,940.26

Finding the Fourth Proportional to 27,138.71, 37,434.85 and 17,940.26

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Solution

The fourth proportional to 27,138.71, 37,434.85 and 17,940.26 is: 24,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,138.71 : 37,434.85 = 17,940.26 : x
  2. Step 2: Convert to fraction form
    27,138.71/37,434.85 = 17,940.26/x
  3. Step 3: Cross multiply
    27,138.71x = 37,434.85 × 17,940.26
  4. Step 4: Simplify right side
    27,138.71x = 671,590,990.80
  5. Step 5: Solve for x
    x = 671,590,990.80/27,138.71
  6. Step 6: Final answer
    x = 24,746.60

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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.