Home / 15,161.66-22,728.51-13,916.28

Finding the Fourth Proportional to 15,161.66, 22,728.51 and 13,916.28

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Solution

The fourth proportional to 15,161.66, 22,728.51 and 13,916.28 is: 20,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,161.66 : 22,728.51 = 13,916.28 : x
  2. Step 2: Convert to fraction form
    15,161.66/22,728.51 = 13,916.28/x
  3. Step 3: Cross multiply
    15,161.66x = 22,728.51 × 13,916.28
  4. Step 4: Simplify right side
    15,161.66x = 316,296,309.14
  5. Step 5: Solve for x
    x = 316,296,309.14/15,161.66
  6. Step 6: Final answer
    x = 20,861.59

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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.