Home / 13,476.44-18,594.78-7,886.36

Finding the Fourth Proportional to 13,476.44, 18,594.78 and 7,886.36

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Solution

The fourth proportional to 13,476.44, 18,594.78 and 7,886.36 is: 10,881.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.44 : 18,594.78 = 7,886.36 : x
  2. Step 2: Convert to fraction form
    13,476.44/18,594.78 = 7,886.36/x
  3. Step 3: Cross multiply
    13,476.44x = 18,594.78 × 7,886.36
  4. Step 4: Simplify right side
    13,476.44x = 146,645,129.20
  5. Step 5: Solve for x
    x = 146,645,129.20/13,476.44
  6. Step 6: Final answer
    x = 10,881.59

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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.