Home / 19,853.91-27,396.36-11,895.93

Finding the Fourth Proportional to 19,853.91, 27,396.36 and 11,895.93

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Solution

The fourth proportional to 19,853.91, 27,396.36 and 11,895.93 is: 16,415.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,853.91 : 27,396.36 = 11,895.93 : x
  2. Step 2: Convert to fraction form
    19,853.91/27,396.36 = 11,895.93/x
  3. Step 3: Cross multiply
    19,853.91x = 27,396.36 × 11,895.93
  4. Step 4: Simplify right side
    19,853.91x = 325,905,180.81
  5. Step 5: Solve for x
    x = 325,905,180.81/19,853.91
  6. Step 6: Final answer
    x = 16,415.16

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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.