Home / 13,848.30-19,112.10-8,184.87

Finding the Fourth Proportional to 13,848.30, 19,112.10 and 8,184.87

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Solution

The fourth proportional to 13,848.30, 19,112.10 and 8,184.87 is: 11,295.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.30 : 19,112.10 = 8,184.87 : x
  2. Step 2: Convert to fraction form
    13,848.30/19,112.10 = 8,184.87/x
  3. Step 3: Cross multiply
    13,848.30x = 19,112.10 × 8,184.87
  4. Step 4: Simplify right side
    13,848.30x = 156,430,053.93
  5. Step 5: Solve for x
    x = 156,430,053.93/13,848.30
  6. Step 6: Final answer
    x = 11,295.98

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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.