Home / 18,969.75-26,178.27-10,586.25

Finding the Fourth Proportional to 18,969.75, 26,178.27 and 10,586.25

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Solution

The fourth proportional to 18,969.75, 26,178.27 and 10,586.25 is: 14,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,969.75 : 26,178.27 = 10,586.25 : x
  2. Step 2: Convert to fraction form
    18,969.75/26,178.27 = 10,586.25/x
  3. Step 3: Cross multiply
    18,969.75x = 26,178.27 × 10,586.25
  4. Step 4: Simplify right side
    18,969.75x = 277,129,710.79
  5. Step 5: Solve for x
    x = 277,129,710.79/18,969.75
  6. Step 6: Final answer
    x = 14,609.03

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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.