Home / 14,342.63-21,514.75-5,108.63

Finding the Fourth Proportional to 14,342.63, 21,514.75 and 5,108.63

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Solution

The fourth proportional to 14,342.63, 21,514.75 and 5,108.63 is: 7,663.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.63 : 21,514.75 = 5,108.63 : x
  2. Step 2: Convert to fraction form
    14,342.63/21,514.75 = 5,108.63/x
  3. Step 3: Cross multiply
    14,342.63x = 21,514.75 × 5,108.63
  4. Step 4: Simplify right side
    14,342.63x = 109,910,776.95
  5. Step 5: Solve for x
    x = 109,910,776.95/14,342.63
  6. Step 6: Final answer
    x = 7,663.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.