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Finding the Fourth Proportional to 14,454.16, 19,950.07 and 9,409.59

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Solution

The fourth proportional to 14,454.16, 19,950.07 and 9,409.59 is: 12,987.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.16 : 19,950.07 = 9,409.59 : x
  2. Step 2: Convert to fraction form
    14,454.16/19,950.07 = 9,409.59/x
  3. Step 3: Cross multiply
    14,454.16x = 19,950.07 × 9,409.59
  4. Step 4: Simplify right side
    14,454.16x = 187,722,055.86
  5. Step 5: Solve for x
    x = 187,722,055.86/14,454.16
  6. Step 6: Final answer
    x = 12,987.41

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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.