Home / 18,857.79-26,028.43-10,904.63

Finding the Fourth Proportional to 18,857.79, 26,028.43 and 10,904.63

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Solution

The fourth proportional to 18,857.79, 26,028.43 and 10,904.63 is: 15,051.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.79 : 26,028.43 = 10,904.63 : x
  2. Step 2: Convert to fraction form
    18,857.79/26,028.43 = 10,904.63/x
  3. Step 3: Cross multiply
    18,857.79x = 26,028.43 × 10,904.63
  4. Step 4: Simplify right side
    18,857.79x = 283,830,241.23
  5. Step 5: Solve for x
    x = 283,830,241.23/18,857.79
  6. Step 6: Final answer
    x = 15,051.09

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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.