Home / 14,135.83-19,504.93-8,165.32

Finding the Fourth Proportional to 14,135.83, 19,504.93 and 8,165.32

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Solution

The fourth proportional to 14,135.83, 19,504.93 and 8,165.32 is: 11,266.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.83 : 19,504.93 = 8,165.32 : x
  2. Step 2: Convert to fraction form
    14,135.83/19,504.93 = 8,165.32/x
  3. Step 3: Cross multiply
    14,135.83x = 19,504.93 × 8,165.32
  4. Step 4: Simplify right side
    14,135.83x = 159,263,995.03
  5. Step 5: Solve for x
    x = 159,263,995.03/14,135.83
  6. Step 6: Final answer
    x = 11,266.69

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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.