Home / 19,948.83-27,530.55-10,998.24

Finding the Fourth Proportional to 19,948.83, 27,530.55 and 10,998.24

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Solution

The fourth proportional to 19,948.83, 27,530.55 and 10,998.24 is: 15,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.83 : 27,530.55 = 10,998.24 : x
  2. Step 2: Convert to fraction form
    19,948.83/27,530.55 = 10,998.24/x
  3. Step 3: Cross multiply
    19,948.83x = 27,530.55 × 10,998.24
  4. Step 4: Simplify right side
    19,948.83x = 302,787,596.23
  5. Step 5: Solve for x
    x = 302,787,596.23/19,948.83
  6. Step 6: Final answer
    x = 15,178.21

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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.