Home / 29,196.36-40,291.28-16,621.92

Finding the Fourth Proportional to 29,196.36, 40,291.28 and 16,621.92

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Solution

The fourth proportional to 29,196.36, 40,291.28 and 16,621.92 is: 22,938.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,196.36 : 40,291.28 = 16,621.92 : x
  2. Step 2: Convert to fraction form
    29,196.36/40,291.28 = 16,621.92/x
  3. Step 3: Cross multiply
    29,196.36x = 40,291.28 × 16,621.92
  4. Step 4: Simplify right side
    29,196.36x = 669,718,432.86
  5. Step 5: Solve for x
    x = 669,718,432.86/29,196.36
  6. Step 6: Final answer
    x = 22,938.42

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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.