Home / 14,100.44-19,458.63-7,812.81

Finding the Fourth Proportional to 14,100.44, 19,458.63 and 7,812.81

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Solution

The fourth proportional to 14,100.44, 19,458.63 and 7,812.81 is: 10,781.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.44 : 19,458.63 = 7,812.81 : x
  2. Step 2: Convert to fraction form
    14,100.44/19,458.63 = 7,812.81/x
  3. Step 3: Cross multiply
    14,100.44x = 19,458.63 × 7,812.81
  4. Step 4: Simplify right side
    14,100.44x = 152,026,579.05
  5. Step 5: Solve for x
    x = 152,026,579.05/14,100.44
  6. Step 6: Final answer
    x = 10,781.69

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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.