Home / 19,933.32-27,506.97-10,980.63

Finding the Fourth Proportional to 19,933.32, 27,506.97 and 10,980.63

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Solution

The fourth proportional to 19,933.32, 27,506.97 and 10,980.63 is: 15,152.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.32 : 27,506.97 = 10,980.63 : x
  2. Step 2: Convert to fraction form
    19,933.32/27,506.97 = 10,980.63/x
  3. Step 3: Cross multiply
    19,933.32x = 27,506.97 × 10,980.63
  4. Step 4: Simplify right side
    19,933.32x = 302,043,859.99
  5. Step 5: Solve for x
    x = 302,043,859.99/19,933.32
  6. Step 6: Final answer
    x = 15,152.71

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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.