Home / 13,106.52-19,559.13-11,705.22

Finding the Fourth Proportional to 13,106.52, 19,559.13 and 11,705.22

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Solution

The fourth proportional to 13,106.52, 19,559.13 and 11,705.22 is: 17,467.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.52 : 19,559.13 = 11,705.22 : x
  2. Step 2: Convert to fraction form
    13,106.52/19,559.13 = 11,705.22/x
  3. Step 3: Cross multiply
    13,106.52x = 19,559.13 × 11,705.22
  4. Step 4: Simplify right side
    13,106.52x = 228,943,919.66
  5. Step 5: Solve for x
    x = 228,943,919.66/13,106.52
  6. Step 6: Final answer
    x = 17,467.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.