Home / 14,087.93-19,445.47-8,123.49

Finding the Fourth Proportional to 14,087.93, 19,445.47 and 8,123.49

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Solution

The fourth proportional to 14,087.93, 19,445.47 and 8,123.49 is: 11,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.93 : 19,445.47 = 8,123.49 : x
  2. Step 2: Convert to fraction form
    14,087.93/19,445.47 = 8,123.49/x
  3. Step 3: Cross multiply
    14,087.93x = 19,445.47 × 8,123.49
  4. Step 4: Simplify right side
    14,087.93x = 157,965,060.78
  5. Step 5: Solve for x
    x = 157,965,060.78/14,087.93
  6. Step 6: Final answer
    x = 11,212.80

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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.