Home / 29,283.39-40,411.10-15,854.66

Finding the Fourth Proportional to 29,283.39, 40,411.10 and 15,854.66

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Solution

The fourth proportional to 29,283.39, 40,411.10 and 15,854.66 is: 21,879.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,283.39 : 40,411.10 = 15,854.66 : x
  2. Step 2: Convert to fraction form
    29,283.39/40,411.10 = 15,854.66/x
  3. Step 3: Cross multiply
    29,283.39x = 40,411.10 × 15,854.66
  4. Step 4: Simplify right side
    29,283.39x = 640,703,969.40
  5. Step 5: Solve for x
    x = 640,703,969.40/29,283.39
  6. Step 6: Final answer
    x = 21,879.43

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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.