Home / 13,256.12-19,883.73-3,395.49

Finding the Fourth Proportional to 13,256.12, 19,883.73 and 3,395.49

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Solution

The fourth proportional to 13,256.12, 19,883.73 and 3,395.49 is: 5,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.12 : 19,883.73 = 3,395.49 : x
  2. Step 2: Convert to fraction form
    13,256.12/19,883.73 = 3,395.49/x
  3. Step 3: Cross multiply
    13,256.12x = 19,883.73 × 3,395.49
  4. Step 4: Simplify right side
    13,256.12x = 67,514,925.45
  5. Step 5: Solve for x
    x = 67,514,925.45/13,256.12
  6. Step 6: Final answer
    x = 5,093.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.