Home / 19,867.16-27,415.36-11,368.24

Finding the Fourth Proportional to 19,867.16, 27,415.36 and 11,368.24

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Solution

The fourth proportional to 19,867.16, 27,415.36 and 11,368.24 is: 15,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.16 : 27,415.36 = 11,368.24 : x
  2. Step 2: Convert to fraction form
    19,867.16/27,415.36 = 11,368.24/x
  3. Step 3: Cross multiply
    19,867.16x = 27,415.36 × 11,368.24
  4. Step 4: Simplify right side
    19,867.16x = 311,664,392.17
  5. Step 5: Solve for x
    x = 311,664,392.17/19,867.16
  6. Step 6: Final answer
    x = 15,687.42

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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.