Home / 18,724.95-25,840.64-10,227.32

Finding the Fourth Proportional to 18,724.95, 25,840.64 and 10,227.32

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Solution

The fourth proportional to 18,724.95, 25,840.64 and 10,227.32 is: 14,113.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.95 : 25,840.64 = 10,227.32 : x
  2. Step 2: Convert to fraction form
    18,724.95/25,840.64 = 10,227.32/x
  3. Step 3: Cross multiply
    18,724.95x = 25,840.64 × 10,227.32
  4. Step 4: Simplify right side
    18,724.95x = 264,280,443.15
  5. Step 5: Solve for x
    x = 264,280,443.15/18,724.95
  6. Step 6: Final answer
    x = 14,113.81

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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.