Home / 14,001.42-21,002.54-5,234.66

Finding the Fourth Proportional to 14,001.42, 21,002.54 and 5,234.66

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Solution

The fourth proportional to 14,001.42, 21,002.54 and 5,234.66 is: 7,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.42 : 21,002.54 = 5,234.66 : x
  2. Step 2: Convert to fraction form
    14,001.42/21,002.54 = 5,234.66/x
  3. Step 3: Cross multiply
    14,001.42x = 21,002.54 × 5,234.66
  4. Step 4: Simplify right side
    14,001.42x = 109,941,024.85
  5. Step 5: Solve for x
    x = 109,941,024.85/14,001.42
  6. Step 6: Final answer
    x = 7,852.13

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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.