Home / 21,409.14-32,113.95-9,563.52

Finding the Fourth Proportional to 21,409.14, 32,113.95 and 9,563.52

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Solution

The fourth proportional to 21,409.14, 32,113.95 and 9,563.52 is: 14,345.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409.14 : 32,113.95 = 9,563.52 : x
  2. Step 2: Convert to fraction form
    21,409.14/32,113.95 = 9,563.52/x
  3. Step 3: Cross multiply
    21,409.14x = 32,113.95 × 9,563.52
  4. Step 4: Simplify right side
    21,409.14x = 307,122,403.10
  5. Step 5: Solve for x
    x = 307,122,403.10/21,409.14
  6. Step 6: Final answer
    x = 14,345.39

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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.