Home / 15,043.20-22,564.80-13,099.20

Finding the Fourth Proportional to 15,043.20, 22,564.80 and 13,099.20

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Solution

The fourth proportional to 15,043.20, 22,564.80 and 13,099.20 is: 19,648.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043.20 : 22,564.80 = 13,099.20 : x
  2. Step 2: Convert to fraction form
    15,043.20/22,564.80 = 13,099.20/x
  3. Step 3: Cross multiply
    15,043.20x = 22,564.80 × 13,099.20
  4. Step 4: Simplify right side
    15,043.20x = 295,580,828.16
  5. Step 5: Solve for x
    x = 295,580,828.16/15,043.20
  6. Step 6: Final answer
    x = 19,648.80

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1.5x scale

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.