Home / 19,326.80-29,025.40-16,907.60

Finding the Fourth Proportional to 19,326.80, 29,025.40 and 16,907.60

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Solution

The fourth proportional to 19,326.80, 29,025.40 and 16,907.60 is: 25,392.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.80 : 29,025.40 = 16,907.60 : x
  2. Step 2: Convert to fraction form
    19,326.80/29,025.40 = 16,907.60/x
  3. Step 3: Cross multiply
    19,326.80x = 29,025.40 × 16,907.60
  4. Step 4: Simplify right side
    19,326.80x = 490,749,853.04
  5. Step 5: Solve for x
    x = 490,749,853.04/19,326.80
  6. Step 6: Final answer
    x = 25,392.19

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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.