Home / 29,325.76-40,431.48-18,696.94

Finding the Fourth Proportional to 29,325.76, 40,431.48 and 18,696.94

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Solution

The fourth proportional to 29,325.76, 40,431.48 and 18,696.94 is: 25,777.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,325.76 : 40,431.48 = 18,696.94 : x
  2. Step 2: Convert to fraction form
    29,325.76/40,431.48 = 18,696.94/x
  3. Step 3: Cross multiply
    29,325.76x = 40,431.48 × 18,696.94
  4. Step 4: Simplify right side
    29,325.76x = 755,944,955.67
  5. Step 5: Solve for x
    x = 755,944,955.67/29,325.76
  6. Step 6: Final answer
    x = 25,777.51

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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.