Home / 29,087.79-43,625.49-13,288.32

Finding the Fourth Proportional to 29,087.79, 43,625.49 and 13,288.32

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Solution

The fourth proportional to 29,087.79, 43,625.49 and 13,288.32 is: 19,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,087.79 : 43,625.49 = 13,288.32 : x
  2. Step 2: Convert to fraction form
    29,087.79/43,625.49 = 13,288.32/x
  3. Step 3: Cross multiply
    29,087.79x = 43,625.49 × 13,288.32
  4. Step 4: Simplify right side
    29,087.79x = 579,709,471.28
  5. Step 5: Solve for x
    x = 579,709,471.28/29,087.79
  6. Step 6: Final answer
    x = 19,929.65

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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.