Home / 27,515.19-37,970.96-14,939.94

Finding the Fourth Proportional to 27,515.19, 37,970.96 and 14,939.94

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Solution

The fourth proportional to 27,515.19, 37,970.96 and 14,939.94 is: 20,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.19 : 37,970.96 = 14,939.94 : x
  2. Step 2: Convert to fraction form
    27,515.19/37,970.96 = 14,939.94/x
  3. Step 3: Cross multiply
    27,515.19x = 37,970.96 × 14,939.94
  4. Step 4: Simplify right side
    27,515.19x = 567,283,864.14
  5. Step 5: Solve for x
    x = 567,283,864.14/27,515.19
  6. Step 6: Final answer
    x = 20,617.12

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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.