Home / 21,459.34-32,194.73-8,975.17

Finding the Fourth Proportional to 21,459.34, 32,194.73 and 8,975.17

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Solution

The fourth proportional to 21,459.34, 32,194.73 and 8,975.17 is: 13,465.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459.34 : 32,194.73 = 8,975.17 : x
  2. Step 2: Convert to fraction form
    21,459.34/32,194.73 = 8,975.17/x
  3. Step 3: Cross multiply
    21,459.34x = 32,194.73 × 8,975.17
  4. Step 4: Simplify right side
    21,459.34x = 288,953,174.85
  5. Step 5: Solve for x
    x = 288,953,174.85/21,459.34
  6. Step 6: Final answer
    x = 13,465.15

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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.