Home / 18,840.24-26,005.92-10,885.68

Finding the Fourth Proportional to 18,840.24, 26,005.92 and 10,885.68

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Solution

The fourth proportional to 18,840.24, 26,005.92 and 10,885.68 is: 15,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.24 : 26,005.92 = 10,885.68 : x
  2. Step 2: Convert to fraction form
    18,840.24/26,005.92 = 10,885.68/x
  3. Step 3: Cross multiply
    18,840.24x = 26,005.92 × 10,885.68
  4. Step 4: Simplify right side
    18,840.24x = 283,092,123.23
  5. Step 5: Solve for x
    x = 283,092,123.23/18,840.24
  6. Step 6: Final answer
    x = 15,025.93

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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.