Home / 14,087.01-19,440.18-8,118.66

Finding the Fourth Proportional to 14,087.01, 19,440.18 and 8,118.66

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Solution

The fourth proportional to 14,087.01, 19,440.18 and 8,118.66 is: 11,203.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.01 : 19,440.18 = 8,118.66 : x
  2. Step 2: Convert to fraction form
    14,087.01/19,440.18 = 8,118.66/x
  3. Step 3: Cross multiply
    14,087.01x = 19,440.18 × 8,118.66
  4. Step 4: Simplify right side
    14,087.01x = 157,828,211.76
  5. Step 5: Solve for x
    x = 157,828,211.76/14,087.01
  6. Step 6: Final answer
    x = 11,203.81

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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.