Home / 14,099.10-19,458.49-8,130.77

Finding the Fourth Proportional to 14,099.10, 19,458.49 and 8,130.77

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Solution

The fourth proportional to 14,099.10, 19,458.49 and 8,130.77 is: 11,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.10 : 19,458.49 = 8,130.77 : x
  2. Step 2: Convert to fraction form
    14,099.10/19,458.49 = 8,130.77/x
  3. Step 3: Cross multiply
    14,099.10x = 19,458.49 × 8,130.77
  4. Step 4: Simplify right side
    14,099.10x = 158,212,522.97
  5. Step 5: Solve for x
    x = 158,212,522.97/14,099.10
  6. Step 6: Final answer
    x = 11,221.46

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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.