Home / 19,423.64-29,136.92-5,383.50

Finding the Fourth Proportional to 19,423.64, 29,136.92 and 5,383.50

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Solution

The fourth proportional to 19,423.64, 29,136.92 and 5,383.50 is: 8,075.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.64 : 29,136.92 = 5,383.50 : x
  2. Step 2: Convert to fraction form
    19,423.64/29,136.92 = 5,383.50/x
  3. Step 3: Cross multiply
    19,423.64x = 29,136.92 × 5,383.50
  4. Step 4: Simplify right side
    19,423.64x = 156,858,608.82
  5. Step 5: Solve for x
    x = 156,858,608.82/19,423.64
  6. Step 6: Final answer
    x = 8,075.65

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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.