Home / 19,365.55-26,722.31-10,865.95

Finding the Fourth Proportional to 19,365.55, 26,722.31 and 10,865.95

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Solution

The fourth proportional to 19,365.55, 26,722.31 and 10,865.95 is: 14,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.55 : 26,722.31 = 10,865.95 : x
  2. Step 2: Convert to fraction form
    19,365.55/26,722.31 = 10,865.95/x
  3. Step 3: Cross multiply
    19,365.55x = 26,722.31 × 10,865.95
  4. Step 4: Simplify right side
    19,365.55x = 290,363,163.21
  5. Step 5: Solve for x
    x = 290,363,163.21/19,365.55
  6. Step 6: Final answer
    x = 14,993.80

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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.