Home / 14,172.44-19,557.97-7,884.81

Finding the Fourth Proportional to 14,172.44, 19,557.97 and 7,884.81

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Solution

The fourth proportional to 14,172.44, 19,557.97 and 7,884.81 is: 10,881.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.44 : 19,557.97 = 7,884.81 : x
  2. Step 2: Convert to fraction form
    14,172.44/19,557.97 = 7,884.81/x
  3. Step 3: Cross multiply
    14,172.44x = 19,557.97 × 7,884.81
  4. Step 4: Simplify right side
    14,172.44x = 154,210,886.91
  5. Step 5: Solve for x
    x = 154,210,886.91/14,172.44
  6. Step 6: Final answer
    x = 10,881.04

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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.