Home / 15,076.90-20,813.26-10,049.50

Finding the Fourth Proportional to 15,076.90, 20,813.26 and 10,049.50

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Solution

The fourth proportional to 15,076.90, 20,813.26 and 10,049.50 is: 13,873.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076.90 : 20,813.26 = 10,049.50 : x
  2. Step 2: Convert to fraction form
    15,076.90/20,813.26 = 10,049.50/x
  3. Step 3: Cross multiply
    15,076.90x = 20,813.26 × 10,049.50
  4. Step 4: Simplify right side
    15,076.90x = 209,162,752.30
  5. Step 5: Solve for x
    x = 209,162,752.30/15,076.90
  6. Step 6: Final answer
    x = 13,873.07

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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.