Home / 17,577.18-26,365.88-7,188.93

Finding the Fourth Proportional to 17,577.18, 26,365.88 and 7,188.93

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Solution

The fourth proportional to 17,577.18, 26,365.88 and 7,188.93 is: 10,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,577.18 : 26,365.88 = 7,188.93 : x
  2. Step 2: Convert to fraction form
    17,577.18/26,365.88 = 7,188.93/x
  3. Step 3: Cross multiply
    17,577.18x = 26,365.88 × 7,188.93
  4. Step 4: Simplify right side
    17,577.18x = 189,542,429.76
  5. Step 5: Solve for x
    x = 189,542,429.76/17,577.18
  6. Step 6: Final answer
    x = 10,783.44

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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.