Home / 19,730.60-27,225.76-11,233.84

Finding the Fourth Proportional to 19,730.60, 27,225.76 and 11,233.84

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Solution

The fourth proportional to 19,730.60, 27,225.76 and 11,233.84 is: 15,501.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.60 : 27,225.76 = 11,233.84 : x
  2. Step 2: Convert to fraction form
    19,730.60/27,225.76 = 11,233.84/x
  3. Step 3: Cross multiply
    19,730.60x = 27,225.76 × 11,233.84
  4. Step 4: Simplify right side
    19,730.60x = 305,849,831.72
  5. Step 5: Solve for x
    x = 305,849,831.72/19,730.60
  6. Step 6: Final answer
    x = 15,501.29

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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.