Home / 12,053.80-18,059.44-10,556.31

Finding the Fourth Proportional to 12,053.80, 18,059.44 and 10,556.31

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Solution

The fourth proportional to 12,053.80, 18,059.44 and 10,556.31 is: 15,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,053.80 : 18,059.44 = 10,556.31 : x
  2. Step 2: Convert to fraction form
    12,053.80/18,059.44 = 10,556.31/x
  3. Step 3: Cross multiply
    12,053.80x = 18,059.44 × 10,556.31
  4. Step 4: Simplify right side
    12,053.80x = 190,641,047.07
  5. Step 5: Solve for x
    x = 190,641,047.07/12,053.80
  6. Step 6: Final answer
    x = 15,815.85

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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.