Home / 14,285.60-19,712.67-8,236.52

Finding the Fourth Proportional to 14,285.60, 19,712.67 and 8,236.52

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Solution

The fourth proportional to 14,285.60, 19,712.67 and 8,236.52 is: 11,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.60 : 19,712.67 = 8,236.52 : x
  2. Step 2: Convert to fraction form
    14,285.60/19,712.67 = 8,236.52/x
  3. Step 3: Cross multiply
    14,285.60x = 19,712.67 × 8,236.52
  4. Step 4: Simplify right side
    14,285.60x = 162,363,800.71
  5. Step 5: Solve for x
    x = 162,363,800.71/14,285.60
  6. Step 6: Final answer
    x = 11,365.56

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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.