Home / 27,490.52-37,967.82-18,522.32

Finding the Fourth Proportional to 27,490.52, 37,967.82 and 18,522.32

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Solution

The fourth proportional to 27,490.52, 37,967.82 and 18,522.32 is: 25,581.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,490.52 : 37,967.82 = 18,522.32 : x
  2. Step 2: Convert to fraction form
    27,490.52/37,967.82 = 18,522.32/x
  3. Step 3: Cross multiply
    27,490.52x = 37,967.82 × 18,522.32
  4. Step 4: Simplify right side
    27,490.52x = 703,252,111.74
  5. Step 5: Solve for x
    x = 703,252,111.74/27,490.52
  6. Step 6: Final answer
    x = 25,581.62

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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.