Home / 19,933.47-27,508.40-10,981.04

Finding the Fourth Proportional to 19,933.47, 27,508.40 and 10,981.04

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Solution

The fourth proportional to 19,933.47, 27,508.40 and 10,981.04 is: 15,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.47 : 27,508.40 = 10,981.04 : x
  2. Step 2: Convert to fraction form
    19,933.47/27,508.40 = 10,981.04/x
  3. Step 3: Cross multiply
    19,933.47x = 27,508.40 × 10,981.04
  4. Step 4: Simplify right side
    19,933.47x = 302,070,648.29
  5. Step 5: Solve for x
    x = 302,070,648.29/19,933.47
  6. Step 6: Final answer
    x = 15,153.94

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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.