Home / 18,708.43-27,897.23-18,541.67

Finding the Fourth Proportional to 18,708.43, 27,897.23 and 18,541.67

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Solution

The fourth proportional to 18,708.43, 27,897.23 and 18,541.67 is: 27,648.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.43 : 27,897.23 = 18,541.67 : x
  2. Step 2: Convert to fraction form
    18,708.43/27,897.23 = 18,541.67/x
  3. Step 3: Cross multiply
    18,708.43x = 27,897.23 × 18,541.67
  4. Step 4: Simplify right side
    18,708.43x = 517,261,232.57
  5. Step 5: Solve for x
    x = 517,261,232.57/18,708.43
  6. Step 6: Final answer
    x = 27,648.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.