Home / 15,693.73-21,657.26-8,523.59

Finding the Fourth Proportional to 15,693.73, 21,657.26 and 8,523.59

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Solution

The fourth proportional to 15,693.73, 21,657.26 and 8,523.59 is: 11,762.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693.73 : 21,657.26 = 8,523.59 : x
  2. Step 2: Convert to fraction form
    15,693.73/21,657.26 = 8,523.59/x
  3. Step 3: Cross multiply
    15,693.73x = 21,657.26 × 8,523.59
  4. Step 4: Simplify right side
    15,693.73x = 184,597,517.79
  5. Step 5: Solve for x
    x = 184,597,517.79/15,693.73
  6. Step 6: Final answer
    x = 11,762.50

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Half scale
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Double scale
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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.