Home / 13,652.66-20,486.35-5,760.65

Finding the Fourth Proportional to 13,652.66, 20,486.35 and 5,760.65

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Solution

The fourth proportional to 13,652.66, 20,486.35 and 5,760.65 is: 8,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.66 : 20,486.35 = 5,760.65 : x
  2. Step 2: Convert to fraction form
    13,652.66/20,486.35 = 5,760.65/x
  3. Step 3: Cross multiply
    13,652.66x = 20,486.35 × 5,760.65
  4. Step 4: Simplify right side
    13,652.66x = 118,014,688.12
  5. Step 5: Solve for x
    x = 118,014,688.12/13,652.66
  6. Step 6: Final answer
    x = 8,644.08

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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.