Home / 18,623.64-25,699.32-13,330.92

Finding the Fourth Proportional to 18,623.64, 25,699.32 and 13,330.92

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Solution

The fourth proportional to 18,623.64, 25,699.32 and 13,330.92 is: 18,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.64 : 25,699.32 = 13,330.92 : x
  2. Step 2: Convert to fraction form
    18,623.64/25,699.32 = 13,330.92/x
  3. Step 3: Cross multiply
    18,623.64x = 25,699.32 × 13,330.92
  4. Step 4: Simplify right side
    18,623.64x = 342,595,578.97
  5. Step 5: Solve for x
    x = 342,595,578.97/18,623.64
  6. Step 6: Final answer
    x = 18,395.74

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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.