Home / 19,618.04-27,069.50-11,118.39

Finding the Fourth Proportional to 19,618.04, 27,069.50 and 11,118.39

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Solution

The fourth proportional to 19,618.04, 27,069.50 and 11,118.39 is: 15,341.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.04 : 27,069.50 = 11,118.39 : x
  2. Step 2: Convert to fraction form
    19,618.04/27,069.50 = 11,118.39/x
  3. Step 3: Cross multiply
    19,618.04x = 27,069.50 × 11,118.39
  4. Step 4: Simplify right side
    19,618.04x = 300,969,202.51
  5. Step 5: Solve for x
    x = 300,969,202.51/19,618.04
  6. Step 6: Final answer
    x = 15,341.46

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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.