Home / 13,585.04-20,375.76-6,181.52

Finding the Fourth Proportional to 13,585.04, 20,375.76 and 6,181.52

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Solution

The fourth proportional to 13,585.04, 20,375.76 and 6,181.52 is: 9,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.04 : 20,375.76 = 6,181.52 : x
  2. Step 2: Convert to fraction form
    13,585.04/20,375.76 = 6,181.52/x
  3. Step 3: Cross multiply
    13,585.04x = 20,375.76 × 6,181.52
  4. Step 4: Simplify right side
    13,585.04x = 125,953,167.96
  5. Step 5: Solve for x
    x = 125,953,167.96/13,585.04
  6. Step 6: Final answer
    x = 9,271.46

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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.