Home / 27,546.12-38,012.76-14,970.78

Finding the Fourth Proportional to 27,546.12, 38,012.76 and 14,970.78

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Solution

The fourth proportional to 27,546.12, 38,012.76 and 14,970.78 is: 20,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,546.12 : 38,012.76 = 14,970.78 : x
  2. Step 2: Convert to fraction form
    27,546.12/38,012.76 = 14,970.78/x
  3. Step 3: Cross multiply
    27,546.12x = 38,012.76 × 14,970.78
  4. Step 4: Simplify right side
    27,546.12x = 569,080,667.15
  5. Step 5: Solve for x
    x = 569,080,667.15/27,546.12
  6. Step 6: Final answer
    x = 20,659.20

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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.