Home / 21,401.08-29,532.86-11,841.34

Finding the Fourth Proportional to 21,401.08, 29,532.86 and 11,841.34

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Solution

The fourth proportional to 21,401.08, 29,532.86 and 11,841.34 is: 16,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,401.08 : 29,532.86 = 11,841.34 : x
  2. Step 2: Convert to fraction form
    21,401.08/29,532.86 = 11,841.34/x
  3. Step 3: Cross multiply
    21,401.08x = 29,532.86 × 11,841.34
  4. Step 4: Simplify right side
    21,401.08x = 349,708,636.43
  5. Step 5: Solve for x
    x = 349,708,636.43/21,401.08
  6. Step 6: Final answer
    x = 16,340.70

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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.