Home / 19,250.34-28,853.07-8,153.30

Finding the Fourth Proportional to 19,250.34, 28,853.07 and 8,153.30

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Solution

The fourth proportional to 19,250.34, 28,853.07 and 8,153.30 is: 12,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,250.34 : 28,853.07 = 8,153.30 : x
  2. Step 2: Convert to fraction form
    19,250.34/28,853.07 = 8,153.30/x
  3. Step 3: Cross multiply
    19,250.34x = 28,853.07 × 8,153.30
  4. Step 4: Simplify right side
    19,250.34x = 235,247,735.63
  5. Step 5: Solve for x
    x = 235,247,735.63/19,250.34
  6. Step 6: Final answer
    x = 12,220.45

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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.