Home / 14,394.16-19,856.90-12,401.25

Finding the Fourth Proportional to 14,394.16, 19,856.90 and 12,401.25

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Solution

The fourth proportional to 14,394.16, 19,856.90 and 12,401.25 is: 17,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394.16 : 19,856.90 = 12,401.25 : x
  2. Step 2: Convert to fraction form
    14,394.16/19,856.90 = 12,401.25/x
  3. Step 3: Cross multiply
    14,394.16x = 19,856.90 × 12,401.25
  4. Step 4: Simplify right side
    14,394.16x = 246,250,379.60
  5. Step 5: Solve for x
    x = 246,250,379.60/14,394.16
  6. Step 6: Final answer
    x = 17,107.66

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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.