Home / 14,401.50-21,625.70-8,889.87

Finding the Fourth Proportional to 14,401.50, 21,625.70 and 8,889.87

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Solution

The fourth proportional to 14,401.50, 21,625.70 and 8,889.87 is: 13,349.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.50 : 21,625.70 = 8,889.87 : x
  2. Step 2: Convert to fraction form
    14,401.50/21,625.70 = 8,889.87/x
  3. Step 3: Cross multiply
    14,401.50x = 21,625.70 × 8,889.87
  4. Step 4: Simplify right side
    14,401.50x = 192,249,698.31
  5. Step 5: Solve for x
    x = 192,249,698.31/14,401.50
  6. Step 6: Final answer
    x = 13,349.29

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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.