Home / 21,025.04-29,013.48-13,067.10

Finding the Fourth Proportional to 21,025.04, 29,013.48 and 13,067.10

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Solution

The fourth proportional to 21,025.04, 29,013.48 and 13,067.10 is: 18,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025.04 : 29,013.48 = 13,067.10 : x
  2. Step 2: Convert to fraction form
    21,025.04/29,013.48 = 13,067.10/x
  3. Step 3: Cross multiply
    21,025.04x = 29,013.48 × 13,067.10
  4. Step 4: Simplify right side
    21,025.04x = 379,122,044.51
  5. Step 5: Solve for x
    x = 379,122,044.51/21,025.04
  6. Step 6: Final answer
    x = 18,031.93

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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.