Home / 14,102.19-21,144.51-9,714.69

Finding the Fourth Proportional to 14,102.19, 21,144.51 and 9,714.69

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Solution

The fourth proportional to 14,102.19, 21,144.51 and 9,714.69 is: 14,565.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.19 : 21,144.51 = 9,714.69 : x
  2. Step 2: Convert to fraction form
    14,102.19/21,144.51 = 9,714.69/x
  3. Step 3: Cross multiply
    14,102.19x = 21,144.51 × 9,714.69
  4. Step 4: Simplify right side
    14,102.19x = 205,412,359.85
  5. Step 5: Solve for x
    x = 205,412,359.85/14,102.19
  6. Step 6: Final answer
    x = 14,565.99

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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.