Home / 19,423.10-29,136.90-6,276.80

Finding the Fourth Proportional to 19,423.10, 29,136.90 and 6,276.80

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Solution

The fourth proportional to 19,423.10, 29,136.90 and 6,276.80 is: 9,415.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.10 : 29,136.90 = 6,276.80 : x
  2. Step 2: Convert to fraction form
    19,423.10/29,136.90 = 6,276.80/x
  3. Step 3: Cross multiply
    19,423.10x = 29,136.90 × 6,276.80
  4. Step 4: Simplify right side
    19,423.10x = 182,886,493.92
  5. Step 5: Solve for x
    x = 182,886,493.92/19,423.10
  6. Step 6: Final answer
    x = 9,415.93

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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.