Home / 19,047.36-28,567.44-7,953.60

Finding the Fourth Proportional to 19,047.36, 28,567.44 and 7,953.60

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Solution

The fourth proportional to 19,047.36, 28,567.44 and 7,953.60 is: 11,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,047.36 : 28,567.44 = 7,953.60 : x
  2. Step 2: Convert to fraction form
    19,047.36/28,567.44 = 7,953.60/x
  3. Step 3: Cross multiply
    19,047.36x = 28,567.44 × 7,953.60
  4. Step 4: Simplify right side
    19,047.36x = 227,213,990.78
  5. Step 5: Solve for x
    x = 227,213,990.78/19,047.36
  6. Step 6: Final answer
    x = 11,928.90

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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.