Home / 13,897.93-19,181.06-8,523.58

Finding the Fourth Proportional to 13,897.93, 19,181.06 and 8,523.58

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Solution

The fourth proportional to 13,897.93, 19,181.06 and 8,523.58 is: 11,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.93 : 19,181.06 = 8,523.58 : x
  2. Step 2: Convert to fraction form
    13,897.93/19,181.06 = 8,523.58/x
  3. Step 3: Cross multiply
    13,897.93x = 19,181.06 × 8,523.58
  4. Step 4: Simplify right side
    13,897.93x = 163,491,299.39
  5. Step 5: Solve for x
    x = 163,491,299.39/13,897.93
  6. Step 6: Final answer
    x = 11,763.72

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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.