Home / 14,939.92-20,608.54-9,341.20

Finding the Fourth Proportional to 14,939.92, 20,608.54 and 9,341.20

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Solution

The fourth proportional to 14,939.92, 20,608.54 and 9,341.20 is: 12,885.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,939.92 : 20,608.54 = 9,341.20 : x
  2. Step 2: Convert to fraction form
    14,939.92/20,608.54 = 9,341.20/x
  3. Step 3: Cross multiply
    14,939.92x = 20,608.54 × 9,341.20
  4. Step 4: Simplify right side
    14,939.92x = 192,508,344.10
  5. Step 5: Solve for x
    x = 192,508,344.10/14,939.92
  6. Step 6: Final answer
    x = 12,885.50

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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.