Home / 19,948.95-27,530.13-10,997.04

Finding the Fourth Proportional to 19,948.95, 27,530.13 and 10,997.04

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Solution

The fourth proportional to 19,948.95, 27,530.13 and 10,997.04 is: 15,176.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.95 : 27,530.13 = 10,997.04 : x
  2. Step 2: Convert to fraction form
    19,948.95/27,530.13 = 10,997.04/x
  3. Step 3: Cross multiply
    19,948.95x = 27,530.13 × 10,997.04
  4. Step 4: Simplify right side
    19,948.95x = 302,749,940.82
  5. Step 5: Solve for x
    x = 302,749,940.82/19,948.95
  6. Step 6: Final answer
    x = 15,176.23

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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.