Home / 19,752.68-27,258.99-13,381.22

Finding the Fourth Proportional to 19,752.68, 27,258.99 and 13,381.22

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Solution

The fourth proportional to 19,752.68, 27,258.99 and 13,381.22 is: 18,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,752.68 : 27,258.99 = 13,381.22 : x
  2. Step 2: Convert to fraction form
    19,752.68/27,258.99 = 13,381.22/x
  3. Step 3: Cross multiply
    19,752.68x = 27,258.99 × 13,381.22
  4. Step 4: Simplify right side
    19,752.68x = 364,758,542.17
  5. Step 5: Solve for x
    x = 364,758,542.17/19,752.68
  6. Step 6: Final answer
    x = 18,466.28

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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.