Home / 15,506.10-21,401.82-10,201.41

Finding the Fourth Proportional to 15,506.10, 21,401.82 and 10,201.41

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Solution

The fourth proportional to 15,506.10, 21,401.82 and 10,201.41 is: 14,080.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,506.10 : 21,401.82 = 10,201.41 : x
  2. Step 2: Convert to fraction form
    15,506.10/21,401.82 = 10,201.41/x
  3. Step 3: Cross multiply
    15,506.10x = 21,401.82 × 10,201.41
  4. Step 4: Simplify right side
    15,506.10x = 218,328,740.57
  5. Step 5: Solve for x
    x = 218,328,740.57/15,506.10
  6. Step 6: Final answer
    x = 14,080.18

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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.