Home / 18,586.50-27,809.73-13,050.78

Finding the Fourth Proportional to 18,586.50, 27,809.73 and 13,050.78

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Solution

The fourth proportional to 18,586.50, 27,809.73 and 13,050.78 is: 19,527.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.50 : 27,809.73 = 13,050.78 : x
  2. Step 2: Convert to fraction form
    18,586.50/27,809.73 = 13,050.78/x
  3. Step 3: Cross multiply
    18,586.50x = 27,809.73 × 13,050.78
  4. Step 4: Simplify right side
    18,586.50x = 362,938,668.09
  5. Step 5: Solve for x
    x = 362,938,668.09/18,586.50
  6. Step 6: Final answer
    x = 19,527.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.