Home / 18,912.16-26,100.06-12,527.74

Finding the Fourth Proportional to 18,912.16, 26,100.06 and 12,527.74

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Solution

The fourth proportional to 18,912.16, 26,100.06 and 12,527.74 is: 17,289.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,912.16 : 26,100.06 = 12,527.74 : x
  2. Step 2: Convert to fraction form
    18,912.16/26,100.06 = 12,527.74/x
  3. Step 3: Cross multiply
    18,912.16x = 26,100.06 × 12,527.74
  4. Step 4: Simplify right side
    18,912.16x = 326,974,765.66
  5. Step 5: Solve for x
    x = 326,974,765.66/18,912.16
  6. Step 6: Final answer
    x = 17,289.13

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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.