Home / 14,041.81-21,044.52-5,712.16

Finding the Fourth Proportional to 14,041.81, 21,044.52 and 5,712.16

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Solution

The fourth proportional to 14,041.81, 21,044.52 and 5,712.16 is: 8,560.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,041.81 : 21,044.52 = 5,712.16 : x
  2. Step 2: Convert to fraction form
    14,041.81/21,044.52 = 5,712.16/x
  3. Step 3: Cross multiply
    14,041.81x = 21,044.52 × 5,712.16
  4. Step 4: Simplify right side
    14,041.81x = 120,209,665.36
  5. Step 5: Solve for x
    x = 120,209,665.36/14,041.81
  6. Step 6: Final answer
    x = 8,560.84

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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.