Home / 19,975.58-29,953.81-9,436.80

Finding the Fourth Proportional to 19,975.58, 29,953.81 and 9,436.80

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Solution

The fourth proportional to 19,975.58, 29,953.81 and 9,436.80 is: 14,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.58 : 29,953.81 = 9,436.80 : x
  2. Step 2: Convert to fraction form
    19,975.58/29,953.81 = 9,436.80/x
  3. Step 3: Cross multiply
    19,975.58x = 29,953.81 × 9,436.80
  4. Step 4: Simplify right side
    19,975.58x = 282,668,067.02
  5. Step 5: Solve for x
    x = 282,668,067.02/19,975.58
  6. Step 6: Final answer
    x = 14,150.68

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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.