Home / 27,515.16-37,970.97-14,939.91

Finding the Fourth Proportional to 27,515.16, 37,970.97 and 14,939.91

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Solution

The fourth proportional to 27,515.16, 37,970.97 and 14,939.91 is: 20,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.16 : 37,970.97 = 14,939.91 : x
  2. Step 2: Convert to fraction form
    27,515.16/37,970.97 = 14,939.91/x
  3. Step 3: Cross multiply
    27,515.16x = 37,970.97 × 14,939.91
  4. Step 4: Simplify right side
    27,515.16x = 567,282,874.41
  5. Step 5: Solve for x
    x = 567,282,874.41/27,515.16
  6. Step 6: Final answer
    x = 20,617.10

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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.