Home / 29,454.57-40,645.67-16,880.13

Finding the Fourth Proportional to 29,454.57, 40,645.67 and 16,880.13

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Solution

The fourth proportional to 29,454.57, 40,645.67 and 16,880.13 is: 23,293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,454.57 : 40,645.67 = 16,880.13 : x
  2. Step 2: Convert to fraction form
    29,454.57/40,645.67 = 16,880.13/x
  3. Step 3: Cross multiply
    29,454.57x = 40,645.67 × 16,880.13
  4. Step 4: Simplify right side
    29,454.57x = 686,104,109.14
  5. Step 5: Solve for x
    x = 686,104,109.14/29,454.57
  6. Step 6: Final answer
    x = 23,293.64

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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.