Home / 35,514.08-53,257.20-13,315.35

Finding the Fourth Proportional to 35,514.08, 53,257.20 and 13,315.35

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Solution

The fourth proportional to 35,514.08, 53,257.20 and 13,315.35 is: 19,967.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,514.08 : 53,257.20 = 13,315.35 : x
  2. Step 2: Convert to fraction form
    35,514.08/53,257.20 = 13,315.35/x
  3. Step 3: Cross multiply
    35,514.08x = 53,257.20 × 13,315.35
  4. Step 4: Simplify right side
    35,514.08x = 709,138,407.80
  5. Step 5: Solve for x
    x = 709,138,407.80/35,514.08
  6. Step 6: Final answer
    x = 19,967.81

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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.