Home / 17,985.12-24,805.44-11,699.52

Finding the Fourth Proportional to 17,985.12, 24,805.44 and 11,699.52

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Solution

The fourth proportional to 17,985.12, 24,805.44 and 11,699.52 is: 16,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.12 : 24,805.44 = 11,699.52 : x
  2. Step 2: Convert to fraction form
    17,985.12/24,805.44 = 11,699.52/x
  3. Step 3: Cross multiply
    17,985.12x = 24,805.44 × 11,699.52
  4. Step 4: Simplify right side
    17,985.12x = 290,211,741.39
  5. Step 5: Solve for x
    x = 290,211,741.39/17,985.12
  6. Step 6: Final answer
    x = 16,136.21

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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.