Home / 19,346.23-26,713.16-15,557.25

Finding the Fourth Proportional to 19,346.23, 26,713.16 and 15,557.25

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Solution

The fourth proportional to 19,346.23, 26,713.16 and 15,557.25 is: 21,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.23 : 26,713.16 = 15,557.25 : x
  2. Step 2: Convert to fraction form
    19,346.23/26,713.16 = 15,557.25/x
  3. Step 3: Cross multiply
    19,346.23x = 26,713.16 × 15,557.25
  4. Step 4: Simplify right side
    19,346.23x = 415,583,308.41
  5. Step 5: Solve for x
    x = 415,583,308.41/19,346.23
  6. Step 6: Final answer
    x = 21,481.36

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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.