Home / 19,112.25-26,374.92-10,731.45

Finding the Fourth Proportional to 19,112.25, 26,374.92 and 10,731.45

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Solution

The fourth proportional to 19,112.25, 26,374.92 and 10,731.45 is: 14,809.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.25 : 26,374.92 = 10,731.45 : x
  2. Step 2: Convert to fraction form
    19,112.25/26,374.92 = 10,731.45/x
  3. Step 3: Cross multiply
    19,112.25x = 26,374.92 × 10,731.45
  4. Step 4: Simplify right side
    19,112.25x = 283,041,135.23
  5. Step 5: Solve for x
    x = 283,041,135.23/19,112.25
  6. Step 6: Final answer
    x = 14,809.41

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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.