Home / 14,888.12-20,544.31-8,173.72

Finding the Fourth Proportional to 14,888.12, 20,544.31 and 8,173.72

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Solution

The fourth proportional to 14,888.12, 20,544.31 and 8,173.72 is: 11,279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,888.12 : 20,544.31 = 8,173.72 : x
  2. Step 2: Convert to fraction form
    14,888.12/20,544.31 = 8,173.72/x
  3. Step 3: Cross multiply
    14,888.12x = 20,544.31 × 8,173.72
  4. Step 4: Simplify right side
    14,888.12x = 167,923,437.53
  5. Step 5: Solve for x
    x = 167,923,437.53/14,888.12
  6. Step 6: Final answer
    x = 11,279.02

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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.