Home / 14,172.27-19,557.21-7,884.51

Finding the Fourth Proportional to 14,172.27, 19,557.21 and 7,884.51

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Solution

The fourth proportional to 14,172.27, 19,557.21 and 7,884.51 is: 10,880.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.27 : 19,557.21 = 7,884.51 : x
  2. Step 2: Convert to fraction form
    14,172.27/19,557.21 = 7,884.51/x
  3. Step 3: Cross multiply
    14,172.27x = 19,557.21 × 7,884.51
  4. Step 4: Simplify right side
    14,172.27x = 154,199,017.82
  5. Step 5: Solve for x
    x = 154,199,017.82/14,172.27
  6. Step 6: Final answer
    x = 10,880.33

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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.