Home / 25,116.63-34,662.57-13,938.63

Finding the Fourth Proportional to 25,116.63, 34,662.57 and 13,938.63

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Solution

The fourth proportional to 25,116.63, 34,662.57 and 13,938.63 is: 19,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,116.63 : 34,662.57 = 13,938.63 : x
  2. Step 2: Convert to fraction form
    25,116.63/34,662.57 = 13,938.63/x
  3. Step 3: Cross multiply
    25,116.63x = 34,662.57 × 13,938.63
  4. Step 4: Simplify right side
    25,116.63x = 483,148,738.08
  5. Step 5: Solve for x
    x = 483,148,738.08/25,116.63
  6. Step 6: Final answer
    x = 19,236.21

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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.