Home / 14,014.16-19,340.44-7,726.56

Finding the Fourth Proportional to 14,014.16, 19,340.44 and 7,726.56

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Solution

The fourth proportional to 14,014.16, 19,340.44 and 7,726.56 is: 10,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.16 : 19,340.44 = 7,726.56 : x
  2. Step 2: Convert to fraction form
    14,014.16/19,340.44 = 7,726.56/x
  3. Step 3: Cross multiply
    14,014.16x = 19,340.44 × 7,726.56
  4. Step 4: Simplify right side
    14,014.16x = 149,435,070.09
  5. Step 5: Solve for x
    x = 149,435,070.09/14,014.16
  6. Step 6: Final answer
    x = 10,663.15

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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.