Home / 14,083.24-19,434.80-8,115.98

Finding the Fourth Proportional to 14,083.24, 19,434.80 and 8,115.98

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Solution

The fourth proportional to 14,083.24, 19,434.80 and 8,115.98 is: 11,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.24 : 19,434.80 = 8,115.98 : x
  2. Step 2: Convert to fraction form
    14,083.24/19,434.80 = 8,115.98/x
  3. Step 3: Cross multiply
    14,083.24x = 19,434.80 × 8,115.98
  4. Step 4: Simplify right side
    14,083.24x = 157,732,448.10
  5. Step 5: Solve for x
    x = 157,732,448.10/14,083.24
  6. Step 6: Final answer
    x = 11,200.01

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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.