Home / 29,526.75-40,746.92-18,918.43

Finding the Fourth Proportional to 29,526.75, 40,746.92 and 18,918.43

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Solution

The fourth proportional to 29,526.75, 40,746.92 and 18,918.43 is: 26,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,526.75 : 40,746.92 = 18,918.43 : x
  2. Step 2: Convert to fraction form
    29,526.75/40,746.92 = 18,918.43/x
  3. Step 3: Cross multiply
    29,526.75x = 40,746.92 × 18,918.43
  4. Step 4: Simplify right side
    29,526.75x = 770,867,557.28
  5. Step 5: Solve for x
    x = 770,867,557.28/29,526.75
  6. Step 6: Final answer
    x = 26,107.43

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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.