Home / 19,934.16-27,508.48-10,981.63

Finding the Fourth Proportional to 19,934.16, 27,508.48 and 10,981.63

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Solution

The fourth proportional to 19,934.16, 27,508.48 and 10,981.63 is: 15,154.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934.16 : 27,508.48 = 10,981.63 : x
  2. Step 2: Convert to fraction form
    19,934.16/27,508.48 = 10,981.63/x
  3. Step 3: Cross multiply
    19,934.16x = 27,508.48 × 10,981.63
  4. Step 4: Simplify right side
    19,934.16x = 302,087,949.22
  5. Step 5: Solve for x
    x = 302,087,949.22/19,934.16
  6. Step 6: Final answer
    x = 15,154.29

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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.