Home / 14,013.99-19,339.38-7,726.32

Finding the Fourth Proportional to 14,013.99, 19,339.38 and 7,726.32

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Solution

The fourth proportional to 14,013.99, 19,339.38 and 7,726.32 is: 10,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.99 : 19,339.38 = 7,726.32 : x
  2. Step 2: Convert to fraction form
    14,013.99/19,339.38 = 7,726.32/x
  3. Step 3: Cross multiply
    14,013.99x = 19,339.38 × 7,726.32
  4. Step 4: Simplify right side
    14,013.99x = 149,422,238.48
  5. Step 5: Solve for x
    x = 149,422,238.48/14,013.99
  6. Step 6: Final answer
    x = 10,662.36

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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.