Home / 19,242.04-28,866.10-8,148.80

Finding the Fourth Proportional to 19,242.04, 28,866.10 and 8,148.80

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Solution

The fourth proportional to 19,242.04, 28,866.10 and 8,148.80 is: 12,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.04 : 28,866.10 = 8,148.80 : x
  2. Step 2: Convert to fraction form
    19,242.04/28,866.10 = 8,148.80/x
  3. Step 3: Cross multiply
    19,242.04x = 28,866.10 × 8,148.80
  4. Step 4: Simplify right side
    19,242.04x = 235,223,910.98
  5. Step 5: Solve for x
    x = 235,223,910.98/19,242.04
  6. Step 6: Final answer
    x = 12,224.48

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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.