Home / 13,853.66-19,111.40-10,070.96

Finding the Fourth Proportional to 13,853.66, 19,111.40 and 10,070.96

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Solution

The fourth proportional to 13,853.66, 19,111.40 and 10,070.96 is: 13,893.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.66 : 19,111.40 = 10,070.96 : x
  2. Step 2: Convert to fraction form
    13,853.66/19,111.40 = 10,070.96/x
  3. Step 3: Cross multiply
    13,853.66x = 19,111.40 × 10,070.96
  4. Step 4: Simplify right side
    13,853.66x = 192,470,144.94
  5. Step 5: Solve for x
    x = 192,470,144.94/13,853.66
  6. Step 6: Final answer
    x = 13,893.09

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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.