Home / 14,219.07-19,618.38-9,183.51

Finding the Fourth Proportional to 14,219.07, 19,618.38 and 9,183.51

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Solution

The fourth proportional to 14,219.07, 19,618.38 and 9,183.51 is: 12,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.07 : 19,618.38 = 9,183.51 : x
  2. Step 2: Convert to fraction form
    14,219.07/19,618.38 = 9,183.51/x
  3. Step 3: Cross multiply
    14,219.07x = 19,618.38 × 9,183.51
  4. Step 4: Simplify right side
    14,219.07x = 180,165,588.91
  5. Step 5: Solve for x
    x = 180,165,588.91/14,219.07
  6. Step 6: Final answer
    x = 12,670.70

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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.