Home / 14,144.07-19,535.22-9,420.15

Finding the Fourth Proportional to 14,144.07, 19,535.22 and 9,420.15

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Solution

The fourth proportional to 14,144.07, 19,535.22 and 9,420.15 is: 13,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.07 : 19,535.22 = 9,420.15 : x
  2. Step 2: Convert to fraction form
    14,144.07/19,535.22 = 9,420.15/x
  3. Step 3: Cross multiply
    14,144.07x = 19,535.22 × 9,420.15
  4. Step 4: Simplify right side
    14,144.07x = 184,024,702.68
  5. Step 5: Solve for x
    x = 184,024,702.68/14,144.07
  6. Step 6: Final answer
    x = 13,010.73

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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.