Home / 29,191.72-40,274.58-16,613.32

Finding the Fourth Proportional to 29,191.72, 40,274.58 and 16,613.32

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Solution

The fourth proportional to 29,191.72, 40,274.58 and 16,613.32 is: 22,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,191.72 : 40,274.58 = 16,613.32 : x
  2. Step 2: Convert to fraction form
    29,191.72/40,274.58 = 16,613.32/x
  3. Step 3: Cross multiply
    29,191.72x = 40,274.58 × 16,613.32
  4. Step 4: Simplify right side
    29,191.72x = 669,094,485.41
  5. Step 5: Solve for x
    x = 669,094,485.41/29,191.72
  6. Step 6: Final answer
    x = 22,920.69

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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.