Home / 15,778.31-23,635.26-9,835.74

Finding the Fourth Proportional to 15,778.31, 23,635.26 and 9,835.74

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Solution

The fourth proportional to 15,778.31, 23,635.26 and 9,835.74 is: 14,733.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778.31 : 23,635.26 = 9,835.74 : x
  2. Step 2: Convert to fraction form
    15,778.31/23,635.26 = 9,835.74/x
  3. Step 3: Cross multiply
    15,778.31x = 23,635.26 × 9,835.74
  4. Step 4: Simplify right side
    15,778.31x = 232,470,272.19
  5. Step 5: Solve for x
    x = 232,470,272.19/15,778.31
  6. Step 6: Final answer
    x = 14,733.54

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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.