Home / 14,173.38-21,264.93-5,409.59

Finding the Fourth Proportional to 14,173.38, 21,264.93 and 5,409.59

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Solution

The fourth proportional to 14,173.38, 21,264.93 and 5,409.59 is: 8,116.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173.38 : 21,264.93 = 5,409.59 : x
  2. Step 2: Convert to fraction form
    14,173.38/21,264.93 = 5,409.59/x
  3. Step 3: Cross multiply
    14,173.38x = 21,264.93 × 5,409.59
  4. Step 4: Simplify right side
    14,173.38x = 115,034,446.35
  5. Step 5: Solve for x
    x = 115,034,446.35/14,173.38
  6. Step 6: Final answer
    x = 8,116.23

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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.