Home / 18,938.63-26,138.34-14,896.32

Finding the Fourth Proportional to 18,938.63, 26,138.34 and 14,896.32

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Solution

The fourth proportional to 18,938.63, 26,138.34 and 14,896.32 is: 20,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,938.63 : 26,138.34 = 14,896.32 : x
  2. Step 2: Convert to fraction form
    18,938.63/26,138.34 = 14,896.32/x
  3. Step 3: Cross multiply
    18,938.63x = 26,138.34 × 14,896.32
  4. Step 4: Simplify right side
    18,938.63x = 389,365,076.91
  5. Step 5: Solve for x
    x = 389,365,076.91/18,938.63
  6. Step 6: Final answer
    x = 20,559.31

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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.