Home / 29,274.26-40,398.55-15,845.63

Finding the Fourth Proportional to 29,274.26, 40,398.55 and 15,845.63

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Solution

The fourth proportional to 29,274.26, 40,398.55 and 15,845.63 is: 21,867.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,274.26 : 40,398.55 = 15,845.63 : x
  2. Step 2: Convert to fraction form
    29,274.26/40,398.55 = 15,845.63/x
  3. Step 3: Cross multiply
    29,274.26x = 40,398.55 × 15,845.63
  4. Step 4: Simplify right side
    29,274.26x = 640,140,475.84
  5. Step 5: Solve for x
    x = 640,140,475.84/29,274.26
  6. Step 6: Final answer
    x = 21,867.01

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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.