Home / 14,401.03-19,876.90-9,621.22

Finding the Fourth Proportional to 14,401.03, 19,876.90 and 9,621.22

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Solution

The fourth proportional to 14,401.03, 19,876.90 and 9,621.22 is: 13,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.03 : 19,876.90 = 9,621.22 : x
  2. Step 2: Convert to fraction form
    14,401.03/19,876.90 = 9,621.22/x
  3. Step 3: Cross multiply
    14,401.03x = 19,876.90 × 9,621.22
  4. Step 4: Simplify right side
    14,401.03x = 191,239,928.43
  5. Step 5: Solve for x
    x = 191,239,928.43/14,401.03
  6. Step 6: Final answer
    x = 13,279.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.