Home / 13,926.74-19,215.41-8,261.19

Finding the Fourth Proportional to 13,926.74, 19,215.41 and 8,261.19

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Solution

The fourth proportional to 13,926.74, 19,215.41 and 8,261.19 is: 11,398.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.74 : 19,215.41 = 8,261.19 : x
  2. Step 2: Convert to fraction form
    13,926.74/19,215.41 = 8,261.19/x
  3. Step 3: Cross multiply
    13,926.74x = 19,215.41 × 8,261.19
  4. Step 4: Simplify right side
    13,926.74x = 158,742,111.63
  5. Step 5: Solve for x
    x = 158,742,111.63/13,926.74
  6. Step 6: Final answer
    x = 11,398.37

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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.