Home / 18,069.03-26,971.21-15,938.55

Finding the Fourth Proportional to 18,069.03, 26,971.21 and 15,938.55

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Solution

The fourth proportional to 18,069.03, 26,971.21 and 15,938.55 is: 23,791.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,069.03 : 26,971.21 = 15,938.55 : x
  2. Step 2: Convert to fraction form
    18,069.03/26,971.21 = 15,938.55/x
  3. Step 3: Cross multiply
    18,069.03x = 26,971.21 × 15,938.55
  4. Step 4: Simplify right side
    18,069.03x = 429,881,999.07
  5. Step 5: Solve for x
    x = 429,881,999.07/18,069.03
  6. Step 6: Final answer
    x = 23,791.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.