Home / 13,026.47-19,542.41-5,235.28

Finding the Fourth Proportional to 13,026.47, 19,542.41 and 5,235.28

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Solution

The fourth proportional to 13,026.47, 19,542.41 and 5,235.28 is: 7,854.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.47 : 19,542.41 = 5,235.28 : x
  2. Step 2: Convert to fraction form
    13,026.47/19,542.41 = 5,235.28/x
  3. Step 3: Cross multiply
    13,026.47x = 19,542.41 × 5,235.28
  4. Step 4: Simplify right side
    13,026.47x = 102,310,072.20
  5. Step 5: Solve for x
    x = 102,310,072.20/13,026.47
  6. Step 6: Final answer
    x = 7,854.01

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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.