Home / 23,071.76-31,856.09-14,131.46

Finding the Fourth Proportional to 23,071.76, 31,856.09 and 14,131.46

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Solution

The fourth proportional to 23,071.76, 31,856.09 and 14,131.46 is: 19,511.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,071.76 : 31,856.09 = 14,131.46 : x
  2. Step 2: Convert to fraction form
    23,071.76/31,856.09 = 14,131.46/x
  3. Step 3: Cross multiply
    23,071.76x = 31,856.09 × 14,131.46
  4. Step 4: Simplify right side
    23,071.76x = 450,172,831.65
  5. Step 5: Solve for x
    x = 450,172,831.65/23,071.76
  6. Step 6: Final answer
    x = 19,511.86

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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.