Home / 19,256.60-28,889.10-10,940.60

Finding the Fourth Proportional to 19,256.60, 28,889.10 and 10,940.60

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Solution

The fourth proportional to 19,256.60, 28,889.10 and 10,940.60 is: 16,413.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,256.60 : 28,889.10 = 10,940.60 : x
  2. Step 2: Convert to fraction form
    19,256.60/28,889.10 = 10,940.60/x
  3. Step 3: Cross multiply
    19,256.60x = 28,889.10 × 10,940.60
  4. Step 4: Simplify right side
    19,256.60x = 316,064,087.46
  5. Step 5: Solve for x
    x = 316,064,087.46/19,256.60
  6. Step 6: Final answer
    x = 16,413.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.