Home / 23,151.60-31,946.94-13,718.34

Finding the Fourth Proportional to 23,151.60, 31,946.94 and 13,718.34

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Solution

The fourth proportional to 23,151.60, 31,946.94 and 13,718.34 is: 18,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.60 : 31,946.94 = 13,718.34 : x
  2. Step 2: Convert to fraction form
    23,151.60/31,946.94 = 13,718.34/x
  3. Step 3: Cross multiply
    23,151.60x = 31,946.94 × 13,718.34
  4. Step 4: Simplify right side
    23,151.60x = 438,258,984.88
  5. Step 5: Solve for x
    x = 438,258,984.88/23,151.60
  6. Step 6: Final answer
    x = 18,929.97

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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.