Home / 15,765.45-23,633.55-5,911.17

Finding the Fourth Proportional to 15,765.45, 23,633.55 and 5,911.17

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Solution

The fourth proportional to 15,765.45, 23,633.55 and 5,911.17 is: 8,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.45 : 23,633.55 = 5,911.17 : x
  2. Step 2: Convert to fraction form
    15,765.45/23,633.55 = 5,911.17/x
  3. Step 3: Cross multiply
    15,765.45x = 23,633.55 × 5,911.17
  4. Step 4: Simplify right side
    15,765.45x = 139,701,931.75
  5. Step 5: Solve for x
    x = 139,701,931.75/15,765.45
  6. Step 6: Final answer
    x = 8,861.27

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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.