Home / 14,099.42-19,458.06-8,130.98

Finding the Fourth Proportional to 14,099.42, 19,458.06 and 8,130.98

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Solution

The fourth proportional to 14,099.42, 19,458.06 and 8,130.98 is: 11,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.42 : 19,458.06 = 8,130.98 : x
  2. Step 2: Convert to fraction form
    14,099.42/19,458.06 = 8,130.98/x
  3. Step 3: Cross multiply
    14,099.42x = 19,458.06 × 8,130.98
  4. Step 4: Simplify right side
    14,099.42x = 158,213,096.70
  5. Step 5: Solve for x
    x = 158,213,096.70/14,099.42
  6. Step 6: Final answer
    x = 11,221.25

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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.