Home / 14,172.19-19,557.63-7,884.56

Finding the Fourth Proportional to 14,172.19, 19,557.63 and 7,884.56

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Solution

The fourth proportional to 14,172.19, 19,557.63 and 7,884.56 is: 10,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.19 : 19,557.63 = 7,884.56 : x
  2. Step 2: Convert to fraction form
    14,172.19/19,557.63 = 7,884.56/x
  3. Step 3: Cross multiply
    14,172.19x = 19,557.63 × 7,884.56
  4. Step 4: Simplify right side
    14,172.19x = 154,203,356.09
  5. Step 5: Solve for x
    x = 154,203,356.09/14,172.19
  6. Step 6: Final answer
    x = 10,880.70

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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.