Home / 18,124.12-25,020.63-14,081.87

Finding the Fourth Proportional to 18,124.12, 25,020.63 and 14,081.87

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Solution

The fourth proportional to 18,124.12, 25,020.63 and 14,081.87 is: 19,440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.12 : 25,020.63 = 14,081.87 : x
  2. Step 2: Convert to fraction form
    18,124.12/25,020.63 = 14,081.87/x
  3. Step 3: Cross multiply
    18,124.12x = 25,020.63 × 14,081.87
  4. Step 4: Simplify right side
    18,124.12x = 352,337,258.98
  5. Step 5: Solve for x
    x = 352,337,258.98/18,124.12
  6. Step 6: Final answer
    x = 19,440.24

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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.