Home / 14,001.19-21,002.19-3,612.94

Finding the Fourth Proportional to 14,001.19, 21,002.19 and 3,612.94

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Solution

The fourth proportional to 14,001.19, 21,002.19 and 3,612.94 is: 5,419.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.19 : 21,002.19 = 3,612.94 : x
  2. Step 2: Convert to fraction form
    14,001.19/21,002.19 = 3,612.94/x
  3. Step 3: Cross multiply
    14,001.19x = 21,002.19 × 3,612.94
  4. Step 4: Simplify right side
    14,001.19x = 75,879,652.34
  5. Step 5: Solve for x
    x = 75,879,652.34/14,001.19
  6. Step 6: Final answer
    x = 5,419.51

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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.