Home / 14,028.36-19,359.71-8,061.90

Finding the Fourth Proportional to 14,028.36, 19,359.71 and 8,061.90

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Solution

The fourth proportional to 14,028.36, 19,359.71 and 8,061.90 is: 11,125.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,028.36 : 19,359.71 = 8,061.90 : x
  2. Step 2: Convert to fraction form
    14,028.36/19,359.71 = 8,061.90/x
  3. Step 3: Cross multiply
    14,028.36x = 19,359.71 × 8,061.90
  4. Step 4: Simplify right side
    14,028.36x = 156,076,005.74
  5. Step 5: Solve for x
    x = 156,076,005.74/14,028.36
  6. Step 6: Final answer
    x = 11,125.75

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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.