Home / 14,144.40-21,208.91-5,703.39

Finding the Fourth Proportional to 14,144.40, 21,208.91 and 5,703.39

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Solution

The fourth proportional to 14,144.40, 21,208.91 and 5,703.39 is: 8,551.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.40 : 21,208.91 = 5,703.39 : x
  2. Step 2: Convert to fraction form
    14,144.40/21,208.91 = 5,703.39/x
  3. Step 3: Cross multiply
    14,144.40x = 21,208.91 × 5,703.39
  4. Step 4: Simplify right side
    14,144.40x = 120,962,656.69
  5. Step 5: Solve for x
    x = 120,962,656.69/14,144.40
  6. Step 6: Final answer
    x = 8,551.98

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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.