Home / 29,263.88-40,383.85-15,834.84

Finding the Fourth Proportional to 29,263.88, 40,383.85 and 15,834.84

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Solution

The fourth proportional to 29,263.88, 40,383.85 and 15,834.84 is: 21,851.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,263.88 : 40,383.85 = 15,834.84 : x
  2. Step 2: Convert to fraction form
    29,263.88/40,383.85 = 15,834.84/x
  3. Step 3: Cross multiply
    29,263.88x = 40,383.85 × 15,834.84
  4. Step 4: Simplify right side
    29,263.88x = 639,471,803.33
  5. Step 5: Solve for x
    x = 639,471,803.33/29,263.88
  6. Step 6: Final answer
    x = 21,851.91

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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.