Home / 15,693.24-21,656.60-8,523.10

Finding the Fourth Proportional to 15,693.24, 21,656.60 and 8,523.10

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Solution

The fourth proportional to 15,693.24, 21,656.60 and 8,523.10 is: 11,761.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,693.24 : 21,656.60 = 8,523.10 : x
  2. Step 2: Convert to fraction form
    15,693.24/21,656.60 = 8,523.10/x
  3. Step 3: Cross multiply
    15,693.24x = 21,656.60 × 8,523.10
  4. Step 4: Simplify right side
    15,693.24x = 184,581,270.70
  5. Step 5: Solve for x
    x = 184,581,270.70/15,693.24
  6. Step 6: Final answer
    x = 11,761.83

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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.