Home / 15,219.59-20,963.96-10,735.46

Finding the Fourth Proportional to 15,219.59, 20,963.96 and 10,735.46

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Solution

The fourth proportional to 15,219.59, 20,963.96 and 10,735.46 is: 14,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219.59 : 20,963.96 = 10,735.46 : x
  2. Step 2: Convert to fraction form
    15,219.59/20,963.96 = 10,735.46/x
  3. Step 3: Cross multiply
    15,219.59x = 20,963.96 × 10,735.46
  4. Step 4: Simplify right side
    15,219.59x = 225,057,595.52
  5. Step 5: Solve for x
    x = 225,057,595.52/15,219.59
  6. Step 6: Final answer
    x = 14,787.37

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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.