Home / 15,558.64-23,346.20-7,234.40

Finding the Fourth Proportional to 15,558.64, 23,346.20 and 7,234.40

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Solution

The fourth proportional to 15,558.64, 23,346.20 and 7,234.40 is: 10,855.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.64 : 23,346.20 = 7,234.40 : x
  2. Step 2: Convert to fraction form
    15,558.64/23,346.20 = 7,234.40/x
  3. Step 3: Cross multiply
    15,558.64x = 23,346.20 × 7,234.40
  4. Step 4: Simplify right side
    15,558.64x = 168,895,749.28
  5. Step 5: Solve for x
    x = 168,895,749.28/15,558.64
  6. Step 6: Final answer
    x = 10,855.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.