Home / 21,397.96-32,064.54-15,842.44

Finding the Fourth Proportional to 21,397.96, 32,064.54 and 15,842.44

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Solution

The fourth proportional to 21,397.96, 32,064.54 and 15,842.44 is: 23,739.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397.96 : 32,064.54 = 15,842.44 : x
  2. Step 2: Convert to fraction form
    21,397.96/32,064.54 = 15,842.44/x
  3. Step 3: Cross multiply
    21,397.96x = 32,064.54 × 15,842.44
  4. Step 4: Simplify right side
    21,397.96x = 507,980,551.08
  5. Step 5: Solve for x
    x = 507,980,551.08/21,397.96
  6. Step 6: Final answer
    x = 23,739.67

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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.