Home / 14,087.58-19,445.18-8,123.22

Finding the Fourth Proportional to 14,087.58, 19,445.18 and 8,123.22

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Solution

The fourth proportional to 14,087.58, 19,445.18 and 8,123.22 is: 11,212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.58 : 19,445.18 = 8,123.22 : x
  2. Step 2: Convert to fraction form
    14,087.58/19,445.18 = 8,123.22/x
  3. Step 3: Cross multiply
    14,087.58x = 19,445.18 × 8,123.22
  4. Step 4: Simplify right side
    14,087.58x = 157,957,475.08
  5. Step 5: Solve for x
    x = 157,957,475.08/14,087.58
  6. Step 6: Final answer
    x = 11,212.53

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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.