Home / 19,261.97-26,581.67-10,878.47

Finding the Fourth Proportional to 19,261.97, 26,581.67 and 10,878.47

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Solution

The fourth proportional to 19,261.97, 26,581.67 and 10,878.47 is: 15,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.97 : 26,581.67 = 10,878.47 : x
  2. Step 2: Convert to fraction form
    19,261.97/26,581.67 = 10,878.47/x
  3. Step 3: Cross multiply
    19,261.97x = 26,581.67 × 10,878.47
  4. Step 4: Simplify right side
    19,261.97x = 289,167,712.34
  5. Step 5: Solve for x
    x = 289,167,712.34/19,261.97
  6. Step 6: Final answer
    x = 15,012.37

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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.