Home / 19,440.71-26,830.77-10,944.50

Finding the Fourth Proportional to 19,440.71, 26,830.77 and 10,944.50

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Solution

The fourth proportional to 19,440.71, 26,830.77 and 10,944.50 is: 15,104.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.71 : 26,830.77 = 10,944.50 : x
  2. Step 2: Convert to fraction form
    19,440.71/26,830.77 = 10,944.50/x
  3. Step 3: Cross multiply
    19,440.71x = 26,830.77 × 10,944.50
  4. Step 4: Simplify right side
    19,440.71x = 293,649,307.54
  5. Step 5: Solve for x
    x = 293,649,307.54/19,440.71
  6. Step 6: Final answer
    x = 15,104.87

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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.