Home / 18,038.72-24,877.32-11,324.98

Finding the Fourth Proportional to 18,038.72, 24,877.32 and 11,324.98

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Solution

The fourth proportional to 18,038.72, 24,877.32 and 11,324.98 is: 15,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.72 : 24,877.32 = 11,324.98 : x
  2. Step 2: Convert to fraction form
    18,038.72/24,877.32 = 11,324.98/x
  3. Step 3: Cross multiply
    18,038.72x = 24,877.32 × 11,324.98
  4. Step 4: Simplify right side
    18,038.72x = 281,735,151.45
  5. Step 5: Solve for x
    x = 281,735,151.45/18,038.72
  6. Step 6: Final answer
    x = 15,618.36

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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.