Home / 14,888.84-20,546.64-8,174.90

Finding the Fourth Proportional to 14,888.84, 20,546.64 and 8,174.90

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Solution

The fourth proportional to 14,888.84, 20,546.64 and 8,174.90 is: 11,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,888.84 : 20,546.64 = 8,174.90 : x
  2. Step 2: Convert to fraction form
    14,888.84/20,546.64 = 8,174.90/x
  3. Step 3: Cross multiply
    14,888.84x = 20,546.64 × 8,174.90
  4. Step 4: Simplify right side
    14,888.84x = 167,966,583.73
  5. Step 5: Solve for x
    x = 167,966,583.73/14,888.84
  6. Step 6: Final answer
    x = 11,281.37

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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.