Home / 14,161.06-19,541.55-7,873.30

Finding the Fourth Proportional to 14,161.06, 19,541.55 and 7,873.30

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Solution

The fourth proportional to 14,161.06, 19,541.55 and 7,873.30 is: 10,864.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.06 : 19,541.55 = 7,873.30 : x
  2. Step 2: Convert to fraction form
    14,161.06/19,541.55 = 7,873.30/x
  3. Step 3: Cross multiply
    14,161.06x = 19,541.55 × 7,873.30
  4. Step 4: Simplify right side
    14,161.06x = 153,856,485.62
  5. Step 5: Solve for x
    x = 153,856,485.62/14,161.06
  6. Step 6: Final answer
    x = 10,864.76

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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.