Home / 19,803.60-27,328.93-10,851.39

Finding the Fourth Proportional to 19,803.60, 27,328.93 and 10,851.39

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Solution

The fourth proportional to 19,803.60, 27,328.93 and 10,851.39 is: 14,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,803.60 : 27,328.93 = 10,851.39 : x
  2. Step 2: Convert to fraction form
    19,803.60/27,328.93 = 10,851.39/x
  3. Step 3: Cross multiply
    19,803.60x = 27,328.93 × 10,851.39
  4. Step 4: Simplify right side
    19,803.60x = 296,556,850.58
  5. Step 5: Solve for x
    x = 296,556,850.58/19,803.60
  6. Step 6: Final answer
    x = 14,974.90

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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.