Home / 27,723.13-38,257.93-14,976.31

Finding the Fourth Proportional to 27,723.13, 38,257.93 and 14,976.31

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Solution

The fourth proportional to 27,723.13, 38,257.93 and 14,976.31 is: 20,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,723.13 : 38,257.93 = 14,976.31 : x
  2. Step 2: Convert to fraction form
    27,723.13/38,257.93 = 14,976.31/x
  3. Step 3: Cross multiply
    27,723.13x = 38,257.93 × 14,976.31
  4. Step 4: Simplify right side
    27,723.13x = 572,962,619.64
  5. Step 5: Solve for x
    x = 572,962,619.64/27,723.13
  6. Step 6: Final answer
    x = 20,667.31

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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.