Home / 14,250.90-19,621.26-12,122.22

Finding the Fourth Proportional to 14,250.90, 19,621.26 and 12,122.22

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Solution

The fourth proportional to 14,250.90, 19,621.26 and 12,122.22 is: 16,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.90 : 19,621.26 = 12,122.22 : x
  2. Step 2: Convert to fraction form
    14,250.90/19,621.26 = 12,122.22/x
  3. Step 3: Cross multiply
    14,250.90x = 19,621.26 × 12,122.22
  4. Step 4: Simplify right side
    14,250.90x = 237,853,230.40
  5. Step 5: Solve for x
    x = 237,853,230.40/14,250.90
  6. Step 6: Final answer
    x = 16,690.40

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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.