Home / 14,812.84-22,218.56-3,719.28

Finding the Fourth Proportional to 14,812.84, 22,218.56 and 3,719.28

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Solution

The fourth proportional to 14,812.84, 22,218.56 and 3,719.28 is: 5,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,812.84 : 22,218.56 = 3,719.28 : x
  2. Step 2: Convert to fraction form
    14,812.84/22,218.56 = 3,719.28/x
  3. Step 3: Cross multiply
    14,812.84x = 22,218.56 × 3,719.28
  4. Step 4: Simplify right side
    14,812.84x = 82,637,124.51
  5. Step 5: Solve for x
    x = 82,637,124.51/14,812.84
  6. Step 6: Final answer
    x = 5,578.75

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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.