Home / 27,379.13-37,783.13-14,803.88

Finding the Fourth Proportional to 27,379.13, 37,783.13 and 14,803.88

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Solution

The fourth proportional to 27,379.13, 37,783.13 and 14,803.88 is: 20,429.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379.13 : 37,783.13 = 14,803.88 : x
  2. Step 2: Convert to fraction form
    27,379.13/37,783.13 = 14,803.88/x
  3. Step 3: Cross multiply
    27,379.13x = 37,783.13 × 14,803.88
  4. Step 4: Simplify right side
    27,379.13x = 559,336,659.61
  5. Step 5: Solve for x
    x = 559,336,659.61/27,379.13
  6. Step 6: Final answer
    x = 20,429.31

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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.