Home / 27,433.96-37,865.26-19,478.68

Finding the Fourth Proportional to 27,433.96, 37,865.26 and 19,478.68

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Solution

The fourth proportional to 27,433.96, 37,865.26 and 19,478.68 is: 26,885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,433.96 : 37,865.26 = 19,478.68 : x
  2. Step 2: Convert to fraction form
    27,433.96/37,865.26 = 19,478.68/x
  3. Step 3: Cross multiply
    27,433.96x = 37,865.26 × 19,478.68
  4. Step 4: Simplify right side
    27,433.96x = 737,565,282.66
  5. Step 5: Solve for x
    x = 737,565,282.66/27,433.96
  6. Step 6: Final answer
    x = 26,885.12

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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.