Home / 27,144.32-37,458.71-15,207.62

Finding the Fourth Proportional to 27,144.32, 37,458.71 and 15,207.62

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Solution

The fourth proportional to 27,144.32, 37,458.71 and 15,207.62 is: 20,986.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,144.32 : 37,458.71 = 15,207.62 : x
  2. Step 2: Convert to fraction form
    27,144.32/37,458.71 = 15,207.62/x
  3. Step 3: Cross multiply
    27,144.32x = 37,458.71 × 15,207.62
  4. Step 4: Simplify right side
    27,144.32x = 569,657,827.37
  5. Step 5: Solve for x
    x = 569,657,827.37/27,144.32
  6. Step 6: Final answer
    x = 20,986.26

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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.