Home / 14,298.36-19,731.26-7,924.68

Finding the Fourth Proportional to 14,298.36, 19,731.26 and 7,924.68

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Solution

The fourth proportional to 14,298.36, 19,731.26 and 7,924.68 is: 10,935.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.36 : 19,731.26 = 7,924.68 : x
  2. Step 2: Convert to fraction form
    14,298.36/19,731.26 = 7,924.68/x
  3. Step 3: Cross multiply
    14,298.36x = 19,731.26 × 7,924.68
  4. Step 4: Simplify right side
    14,298.36x = 156,363,921.50
  5. Step 5: Solve for x
    x = 156,363,921.50/14,298.36
  6. Step 6: Final answer
    x = 10,935.79

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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.