Home / 15,619.18-21,563.38-10,329.34

Finding the Fourth Proportional to 15,619.18, 21,563.38 and 10,329.34

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Solution

The fourth proportional to 15,619.18, 21,563.38 and 10,329.34 is: 14,260.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.18 : 21,563.38 = 10,329.34 : x
  2. Step 2: Convert to fraction form
    15,619.18/21,563.38 = 10,329.34/x
  3. Step 3: Cross multiply
    15,619.18x = 21,563.38 × 10,329.34
  4. Step 4: Simplify right side
    15,619.18x = 222,735,483.57
  5. Step 5: Solve for x
    x = 222,735,483.57/15,619.18
  6. Step 6: Final answer
    x = 14,260.38

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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.