Home / 14,051.90-19,391.16-9,344.72

Finding the Fourth Proportional to 14,051.90, 19,391.16 and 9,344.72

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Solution

The fourth proportional to 14,051.90, 19,391.16 and 9,344.72 is: 12,895.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.90 : 19,391.16 = 9,344.72 : x
  2. Step 2: Convert to fraction form
    14,051.90/19,391.16 = 9,344.72/x
  3. Step 3: Cross multiply
    14,051.90x = 19,391.16 × 9,344.72
  4. Step 4: Simplify right side
    14,051.90x = 181,204,960.68
  5. Step 5: Solve for x
    x = 181,204,960.68/14,051.90
  6. Step 6: Final answer
    x = 12,895.41

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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.