Home / 14,272.65-19,683.23-12,255.42

Finding the Fourth Proportional to 14,272.65, 19,683.23 and 12,255.42

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Solution

The fourth proportional to 14,272.65, 19,683.23 and 12,255.42 is: 16,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.65 : 19,683.23 = 12,255.42 : x
  2. Step 2: Convert to fraction form
    14,272.65/19,683.23 = 12,255.42/x
  3. Step 3: Cross multiply
    14,272.65x = 19,683.23 × 12,255.42
  4. Step 4: Simplify right side
    14,272.65x = 241,226,189.33
  5. Step 5: Solve for x
    x = 241,226,189.33/14,272.65
  6. Step 6: Final answer
    x = 16,901.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.