Home / 29,274.76-40,398.93-15,845.74

Finding the Fourth Proportional to 29,274.76, 40,398.93 and 15,845.74

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Solution

The fourth proportional to 29,274.76, 40,398.93 and 15,845.74 is: 21,866.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,274.76 : 40,398.93 = 15,845.74 : x
  2. Step 2: Convert to fraction form
    29,274.76/40,398.93 = 15,845.74/x
  3. Step 3: Cross multiply
    29,274.76x = 40,398.93 × 15,845.74
  4. Step 4: Simplify right side
    29,274.76x = 640,150,941.06
  5. Step 5: Solve for x
    x = 640,150,941.06/29,274.76
  6. Step 6: Final answer
    x = 21,866.99

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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.