Home / 14,582.61-21,868.47-5,220.09

Finding the Fourth Proportional to 14,582.61, 21,868.47 and 5,220.09

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Solution

The fourth proportional to 14,582.61, 21,868.47 and 5,220.09 is: 7,828.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582.61 : 21,868.47 = 5,220.09 : x
  2. Step 2: Convert to fraction form
    14,582.61/21,868.47 = 5,220.09/x
  3. Step 3: Cross multiply
    14,582.61x = 21,868.47 × 5,220.09
  4. Step 4: Simplify right side
    14,582.61x = 114,155,381.56
  5. Step 5: Solve for x
    x = 114,155,381.56/14,582.61
  6. Step 6: Final answer
    x = 7,828.19

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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.