Home / 13,567.83-20,356.65-5,777.25

Finding the Fourth Proportional to 13,567.83, 20,356.65 and 5,777.25

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Solution

The fourth proportional to 13,567.83, 20,356.65 and 5,777.25 is: 8,667.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.83 : 20,356.65 = 5,777.25 : x
  2. Step 2: Convert to fraction form
    13,567.83/20,356.65 = 5,777.25/x
  3. Step 3: Cross multiply
    13,567.83x = 20,356.65 × 5,777.25
  4. Step 4: Simplify right side
    13,567.83x = 117,605,456.21
  5. Step 5: Solve for x
    x = 117,605,456.21/13,567.83
  6. Step 6: Final answer
    x = 8,667.96

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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.