Home / 19,106.80-26,368.81-11,553.41

Finding the Fourth Proportional to 19,106.80, 26,368.81 and 11,553.41

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Solution

The fourth proportional to 19,106.80, 26,368.81 and 11,553.41 is: 15,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,106.80 : 26,368.81 = 11,553.41 : x
  2. Step 2: Convert to fraction form
    19,106.80/26,368.81 = 11,553.41/x
  3. Step 3: Cross multiply
    19,106.80x = 26,368.81 × 11,553.41
  4. Step 4: Simplify right side
    19,106.80x = 304,649,710.18
  5. Step 5: Solve for x
    x = 304,649,710.18/19,106.80
  6. Step 6: Final answer
    x = 15,944.57

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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.