Home / 13,926.36-19,204.38-8,340.60

Finding the Fourth Proportional to 13,926.36, 19,204.38 and 8,340.60

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Solution

The fourth proportional to 13,926.36, 19,204.38 and 8,340.60 is: 11,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.36 : 19,204.38 = 8,340.60 : x
  2. Step 2: Convert to fraction form
    13,926.36/19,204.38 = 8,340.60/x
  3. Step 3: Cross multiply
    13,926.36x = 19,204.38 × 8,340.60
  4. Step 4: Simplify right side
    13,926.36x = 160,176,051.83
  5. Step 5: Solve for x
    x = 160,176,051.83/13,926.36
  6. Step 6: Final answer
    x = 11,501.65

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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.