Home / 19,438.40-26,824.22-11,483.18

Finding the Fourth Proportional to 19,438.40, 26,824.22 and 11,483.18

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Solution

The fourth proportional to 19,438.40, 26,824.22 and 11,483.18 is: 15,846.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.40 : 26,824.22 = 11,483.18 : x
  2. Step 2: Convert to fraction form
    19,438.40/26,824.22 = 11,483.18/x
  3. Step 3: Cross multiply
    19,438.40x = 26,824.22 × 11,483.18
  4. Step 4: Simplify right side
    19,438.40x = 308,027,346.62
  5. Step 5: Solve for x
    x = 308,027,346.62/19,438.40
  6. Step 6: Final answer
    x = 15,846.33

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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.