Home / 29,218.78-43,824.52-11,688.76

Finding the Fourth Proportional to 29,218.78, 43,824.52 and 11,688.76

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Solution

The fourth proportional to 29,218.78, 43,824.52 and 11,688.76 is: 17,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,218.78 : 43,824.52 = 11,688.76 : x
  2. Step 2: Convert to fraction form
    29,218.78/43,824.52 = 11,688.76/x
  3. Step 3: Cross multiply
    29,218.78x = 43,824.52 × 11,688.76
  4. Step 4: Simplify right side
    29,218.78x = 512,254,296.40
  5. Step 5: Solve for x
    x = 512,254,296.40/29,218.78
  6. Step 6: Final answer
    x = 17,531.68

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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.