Home / 15,861.03-23,778.15-7,953.81

Finding the Fourth Proportional to 15,861.03, 23,778.15 and 7,953.81

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Solution

The fourth proportional to 15,861.03, 23,778.15 and 7,953.81 is: 11,924.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,861.03 : 23,778.15 = 7,953.81 : x
  2. Step 2: Convert to fraction form
    15,861.03/23,778.15 = 7,953.81/x
  3. Step 3: Cross multiply
    15,861.03x = 23,778.15 × 7,953.81
  4. Step 4: Simplify right side
    15,861.03x = 189,126,887.25
  5. Step 5: Solve for x
    x = 189,126,887.25/15,861.03
  6. Step 6: Final answer
    x = 11,924.00

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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.