Home / 13,670.04-20,514.80-5,881.08

Finding the Fourth Proportional to 13,670.04, 20,514.80 and 5,881.08

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Solution

The fourth proportional to 13,670.04, 20,514.80 and 5,881.08 is: 8,825.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,670.04 : 20,514.80 = 5,881.08 : x
  2. Step 2: Convert to fraction form
    13,670.04/20,514.80 = 5,881.08/x
  3. Step 3: Cross multiply
    13,670.04x = 20,514.80 × 5,881.08
  4. Step 4: Simplify right side
    13,670.04x = 120,649,179.98
  5. Step 5: Solve for x
    x = 120,649,179.98/13,670.04
  6. Step 6: Final answer
    x = 8,825.81

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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.