Home / 19,053.62-26,291.50-10,987.57

Finding the Fourth Proportional to 19,053.62, 26,291.50 and 10,987.57

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Solution

The fourth proportional to 19,053.62, 26,291.50 and 10,987.57 is: 15,161.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053.62 : 26,291.50 = 10,987.57 : x
  2. Step 2: Convert to fraction form
    19,053.62/26,291.50 = 10,987.57/x
  3. Step 3: Cross multiply
    19,053.62x = 26,291.50 × 10,987.57
  4. Step 4: Simplify right side
    19,053.62x = 288,879,696.66
  5. Step 5: Solve for x
    x = 288,879,696.66/19,053.62
  6. Step 6: Final answer
    x = 15,161.41

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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.