Home / 15,577.82-23,347.29-7,788.86

Finding the Fourth Proportional to 15,577.82, 23,347.29 and 7,788.86

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Solution

The fourth proportional to 15,577.82, 23,347.29 and 7,788.86 is: 11,673.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.82 : 23,347.29 = 7,788.86 : x
  2. Step 2: Convert to fraction form
    15,577.82/23,347.29 = 7,788.86/x
  3. Step 3: Cross multiply
    15,577.82x = 23,347.29 × 7,788.86
  4. Step 4: Simplify right side
    15,577.82x = 181,848,773.19
  5. Step 5: Solve for x
    x = 181,848,773.19/15,577.82
  6. Step 6: Final answer
    x = 11,673.57

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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.