Home / 35,690.07-53,514.36-13,505.16

Finding the Fourth Proportional to 35,690.07, 53,514.36 and 13,505.16

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Solution

The fourth proportional to 35,690.07, 53,514.36 and 13,505.16 is: 20,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,690.07 : 53,514.36 = 13,505.16 : x
  2. Step 2: Convert to fraction form
    35,690.07/53,514.36 = 13,505.16/x
  3. Step 3: Cross multiply
    35,690.07x = 53,514.36 × 13,505.16
  4. Step 4: Simplify right side
    35,690.07x = 722,719,994.10
  5. Step 5: Solve for x
    x = 722,719,994.10/35,690.07
  6. Step 6: Final answer
    x = 20,249.89

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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.