Home / 18,859.99-26,027.49-11,307.55

Finding the Fourth Proportional to 18,859.99, 26,027.49 and 11,307.55

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Solution

The fourth proportional to 18,859.99, 26,027.49 and 11,307.55 is: 15,604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859.99 : 26,027.49 = 11,307.55 : x
  2. Step 2: Convert to fraction form
    18,859.99/26,027.49 = 11,307.55/x
  3. Step 3: Cross multiply
    18,859.99x = 26,027.49 × 11,307.55
  4. Step 4: Simplify right side
    18,859.99x = 294,307,144.55
  5. Step 5: Solve for x
    x = 294,307,144.55/18,859.99
  6. Step 6: Final answer
    x = 15,604.84

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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.