Home / 14,281.36-19,707.24-8,694.16

Finding the Fourth Proportional to 14,281.36, 19,707.24 and 8,694.16

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Solution

The fourth proportional to 14,281.36, 19,707.24 and 8,694.16 is: 11,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.36 : 19,707.24 = 8,694.16 : x
  2. Step 2: Convert to fraction form
    14,281.36/19,707.24 = 8,694.16/x
  3. Step 3: Cross multiply
    14,281.36x = 19,707.24 × 8,694.16
  4. Step 4: Simplify right side
    14,281.36x = 171,337,897.72
  5. Step 5: Solve for x
    x = 171,337,897.72/14,281.36
  6. Step 6: Final answer
    x = 11,997.31

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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.