Home / 29,386.78-40,552.52-16,640.66

Finding the Fourth Proportional to 29,386.78, 40,552.52 and 16,640.66

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Solution

The fourth proportional to 29,386.78, 40,552.52 and 16,640.66 is: 22,963.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,386.78 : 40,552.52 = 16,640.66 : x
  2. Step 2: Convert to fraction form
    29,386.78/40,552.52 = 16,640.66/x
  3. Step 3: Cross multiply
    29,386.78x = 40,552.52 × 16,640.66
  4. Step 4: Simplify right side
    29,386.78x = 674,820,715.64
  5. Step 5: Solve for x
    x = 674,820,715.64/29,386.78
  6. Step 6: Final answer
    x = 22,963.41

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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.