Home / 19,929.04-27,502.26-10,976.86

Finding the Fourth Proportional to 19,929.04, 27,502.26 and 10,976.86

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Solution

The fourth proportional to 19,929.04, 27,502.26 and 10,976.86 is: 15,148.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.04 : 27,502.26 = 10,976.86 : x
  2. Step 2: Convert to fraction form
    19,929.04/27,502.26 = 10,976.86/x
  3. Step 3: Cross multiply
    19,929.04x = 27,502.26 × 10,976.86
  4. Step 4: Simplify right side
    19,929.04x = 301,888,457.70
  5. Step 5: Solve for x
    x = 301,888,457.70/19,929.04
  6. Step 6: Final answer
    x = 15,148.17

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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.