Home / 23,180.63-31,989.26-12,570.27

Finding the Fourth Proportional to 23,180.63, 31,989.26 and 12,570.27

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Solution

The fourth proportional to 23,180.63, 31,989.26 and 12,570.27 is: 17,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,180.63 : 31,989.26 = 12,570.27 : x
  2. Step 2: Convert to fraction form
    23,180.63/31,989.26 = 12,570.27/x
  3. Step 3: Cross multiply
    23,180.63x = 31,989.26 × 12,570.27
  4. Step 4: Simplify right side
    23,180.63x = 402,113,546.77
  5. Step 5: Solve for x
    x = 402,113,546.77/23,180.63
  6. Step 6: Final answer
    x = 17,346.97

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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.