Home / 12,423.98-18,635.37-4,632.19

Finding the Fourth Proportional to 12,423.98, 18,635.37 and 4,632.19

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Solution

The fourth proportional to 12,423.98, 18,635.37 and 4,632.19 is: 6,948.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.98 : 18,635.37 = 4,632.19 : x
  2. Step 2: Convert to fraction form
    12,423.98/18,635.37 = 4,632.19/x
  3. Step 3: Cross multiply
    12,423.98x = 18,635.37 × 4,632.19
  4. Step 4: Simplify right side
    12,423.98x = 86,322,510.60
  5. Step 5: Solve for x
    x = 86,322,510.60/12,423.98
  6. Step 6: Final answer
    x = 6,948.05

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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.