Home / 16,730.32-23,087.88-9,278.32

Finding the Fourth Proportional to 16,730.32, 23,087.88 and 9,278.32

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Solution

The fourth proportional to 16,730.32, 23,087.88 and 9,278.32 is: 12,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,730.32 : 23,087.88 = 9,278.32 : x
  2. Step 2: Convert to fraction form
    16,730.32/23,087.88 = 9,278.32/x
  3. Step 3: Cross multiply
    16,730.32x = 23,087.88 × 9,278.32
  4. Step 4: Simplify right side
    16,730.32x = 214,216,738.76
  5. Step 5: Solve for x
    x = 214,216,738.76/16,730.32
  6. Step 6: Final answer
    x = 12,804.10

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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.