Home / 18,738.66-25,862.98-12,032.76

Finding the Fourth Proportional to 18,738.66, 25,862.98 and 12,032.76

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Solution

The fourth proportional to 18,738.66, 25,862.98 and 12,032.76 is: 16,607.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.66 : 25,862.98 = 12,032.76 : x
  2. Step 2: Convert to fraction form
    18,738.66/25,862.98 = 12,032.76/x
  3. Step 3: Cross multiply
    18,738.66x = 25,862.98 × 12,032.76
  4. Step 4: Simplify right side
    18,738.66x = 311,203,031.22
  5. Step 5: Solve for x
    x = 311,203,031.22/18,738.66
  6. Step 6: Final answer
    x = 16,607.54

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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.