Home / 19,212.71-26,504.35-11,146.32

Finding the Fourth Proportional to 19,212.71, 26,504.35 and 11,146.32

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Solution

The fourth proportional to 19,212.71, 26,504.35 and 11,146.32 is: 15,376.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.71 : 26,504.35 = 11,146.32 : x
  2. Step 2: Convert to fraction form
    19,212.71/26,504.35 = 11,146.32/x
  3. Step 3: Cross multiply
    19,212.71x = 26,504.35 × 11,146.32
  4. Step 4: Simplify right side
    19,212.71x = 295,425,938.63
  5. Step 5: Solve for x
    x = 295,425,938.63/19,212.71
  6. Step 6: Final answer
    x = 15,376.59

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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.