Home / 19,493.94-26,870.04-15,237.48

Finding the Fourth Proportional to 19,493.94, 26,870.04 and 15,237.48

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Solution

The fourth proportional to 19,493.94, 26,870.04 and 15,237.48 is: 21,003.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,493.94 : 26,870.04 = 15,237.48 : x
  2. Step 2: Convert to fraction form
    19,493.94/26,870.04 = 15,237.48/x
  3. Step 3: Cross multiply
    19,493.94x = 26,870.04 × 15,237.48
  4. Step 4: Simplify right side
    19,493.94x = 409,431,697.10
  5. Step 5: Solve for x
    x = 409,431,697.10/19,493.94
  6. Step 6: Final answer
    x = 21,003.02

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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.