Home / 14,173.30-21,260.76-3,643.39

Finding the Fourth Proportional to 14,173.30, 21,260.76 and 3,643.39

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Solution

The fourth proportional to 14,173.30, 21,260.76 and 3,643.39 is: 5,465.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173.30 : 21,260.76 = 3,643.39 : x
  2. Step 2: Convert to fraction form
    14,173.30/21,260.76 = 3,643.39/x
  3. Step 3: Cross multiply
    14,173.30x = 21,260.76 × 3,643.39
  4. Step 4: Simplify right side
    14,173.30x = 77,461,240.38
  5. Step 5: Solve for x
    x = 77,461,240.38/14,173.30
  6. Step 6: Final answer
    x = 5,465.29

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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.