Home / 14,018.36-19,345.44-7,730.96

Finding the Fourth Proportional to 14,018.36, 19,345.44 and 7,730.96

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Solution

The fourth proportional to 14,018.36, 19,345.44 and 7,730.96 is: 10,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.36 : 19,345.44 = 7,730.96 : x
  2. Step 2: Convert to fraction form
    14,018.36/19,345.44 = 7,730.96/x
  3. Step 3: Cross multiply
    14,018.36x = 19,345.44 × 7,730.96
  4. Step 4: Simplify right side
    14,018.36x = 149,558,822.82
  5. Step 5: Solve for x
    x = 149,558,822.82/14,018.36
  6. Step 6: Final answer
    x = 10,668.78

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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.