Home / 14,428.35-21,644.24-13,641.03

Finding the Fourth Proportional to 14,428.35, 21,644.24 and 13,641.03

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Solution

The fourth proportional to 14,428.35, 21,644.24 and 13,641.03 is: 20,463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.35 : 21,644.24 = 13,641.03 : x
  2. Step 2: Convert to fraction form
    14,428.35/21,644.24 = 13,641.03/x
  3. Step 3: Cross multiply
    14,428.35x = 21,644.24 × 13,641.03
  4. Step 4: Simplify right side
    14,428.35x = 295,249,550.74
  5. Step 5: Solve for x
    x = 295,249,550.74/14,428.35
  6. Step 6: Final answer
    x = 20,463.16

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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.