Home / 14,586.32-20,118.38-11,001.42

Finding the Fourth Proportional to 14,586.32, 20,118.38 and 11,001.42

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Solution

The fourth proportional to 14,586.32, 20,118.38 and 11,001.42 is: 15,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.32 : 20,118.38 = 11,001.42 : x
  2. Step 2: Convert to fraction form
    14,586.32/20,118.38 = 11,001.42/x
  3. Step 3: Cross multiply
    14,586.32x = 20,118.38 × 11,001.42
  4. Step 4: Simplify right side
    14,586.32x = 221,330,693.09
  5. Step 5: Solve for x
    x = 221,330,693.09/14,586.32
  6. Step 6: Final answer
    x = 15,173.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.