Home / 19,368.21-26,719.25-11,406.62

Finding the Fourth Proportional to 19,368.21, 26,719.25 and 11,406.62

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Solution

The fourth proportional to 19,368.21, 26,719.25 and 11,406.62 is: 15,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.21 : 26,719.25 = 11,406.62 : x
  2. Step 2: Convert to fraction form
    19,368.21/26,719.25 = 11,406.62/x
  3. Step 3: Cross multiply
    19,368.21x = 26,719.25 × 11,406.62
  4. Step 4: Simplify right side
    19,368.21x = 304,776,331.44
  5. Step 5: Solve for x
    x = 304,776,331.44/19,368.21
  6. Step 6: Final answer
    x = 15,735.91

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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.