Home / 27,515.13-37,970.84-14,939.88

Finding the Fourth Proportional to 27,515.13, 37,970.84 and 14,939.88

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Solution

The fourth proportional to 27,515.13, 37,970.84 and 14,939.88 is: 20,617.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.13 : 37,970.84 = 14,939.88 : x
  2. Step 2: Convert to fraction form
    27,515.13/37,970.84 = 14,939.88/x
  3. Step 3: Cross multiply
    27,515.13x = 37,970.84 × 14,939.88
  4. Step 4: Simplify right side
    27,515.13x = 567,279,688.06
  5. Step 5: Solve for x
    x = 567,279,688.06/27,515.13
  6. Step 6: Final answer
    x = 20,617.01

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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.