Home / 14,039.21-19,377.37-9,260.02

Finding the Fourth Proportional to 14,039.21, 19,377.37 and 9,260.02

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Solution

The fourth proportional to 14,039.21, 19,377.37 and 9,260.02 is: 12,780.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.21 : 19,377.37 = 9,260.02 : x
  2. Step 2: Convert to fraction form
    14,039.21/19,377.37 = 9,260.02/x
  3. Step 3: Cross multiply
    14,039.21x = 19,377.37 × 9,260.02
  4. Step 4: Simplify right side
    14,039.21x = 179,434,833.75
  5. Step 5: Solve for x
    x = 179,434,833.75/14,039.21
  6. Step 6: Final answer
    x = 12,780.98

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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.