Home / 20,963.34-28,929.42-11,532.24

Finding the Fourth Proportional to 20,963.34, 28,929.42 and 11,532.24

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Solution

The fourth proportional to 20,963.34, 28,929.42 and 11,532.24 is: 15,914.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,963.34 : 28,929.42 = 11,532.24 : x
  2. Step 2: Convert to fraction form
    20,963.34/28,929.42 = 11,532.24/x
  3. Step 3: Cross multiply
    20,963.34x = 28,929.42 × 11,532.24
  4. Step 4: Simplify right side
    20,963.34x = 333,621,014.50
  5. Step 5: Solve for x
    x = 333,621,014.50/20,963.34
  6. Step 6: Final answer
    x = 15,914.50

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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.