Home / 19,106.53-26,363.43-11,146.77

Finding the Fourth Proportional to 19,106.53, 26,363.43 and 11,146.77

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Solution

The fourth proportional to 19,106.53, 26,363.43 and 11,146.77 is: 15,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,106.53 : 26,363.43 = 11,146.77 : x
  2. Step 2: Convert to fraction form
    19,106.53/26,363.43 = 11,146.77/x
  3. Step 3: Cross multiply
    19,106.53x = 26,363.43 × 11,146.77
  4. Step 4: Simplify right side
    19,106.53x = 293,867,090.62
  5. Step 5: Solve for x
    x = 293,867,090.62/19,106.53
  6. Step 6: Final answer
    x = 15,380.45

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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.