Home / 15,424.74-23,128.38-4,892.76

Finding the Fourth Proportional to 15,424.74, 23,128.38 and 4,892.76

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Solution

The fourth proportional to 15,424.74, 23,128.38 and 4,892.76 is: 7,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,424.74 : 23,128.38 = 4,892.76 : x
  2. Step 2: Convert to fraction form
    15,424.74/23,128.38 = 4,892.76/x
  3. Step 3: Cross multiply
    15,424.74x = 23,128.38 × 4,892.76
  4. Step 4: Simplify right side
    15,424.74x = 113,161,612.53
  5. Step 5: Solve for x
    x = 113,161,612.53/15,424.74
  6. Step 6: Final answer
    x = 7,336.37

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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.