Home / 18,880.32-26,054.40-10,497.60

Finding the Fourth Proportional to 18,880.32, 26,054.40 and 10,497.60

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Solution

The fourth proportional to 18,880.32, 26,054.40 and 10,497.60 is: 14,486.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.32 : 26,054.40 = 10,497.60 : x
  2. Step 2: Convert to fraction form
    18,880.32/26,054.40 = 10,497.60/x
  3. Step 3: Cross multiply
    18,880.32x = 26,054.40 × 10,497.60
  4. Step 4: Simplify right side
    18,880.32x = 273,508,669.44
  5. Step 5: Solve for x
    x = 273,508,669.44/18,880.32
  6. Step 6: Final answer
    x = 14,486.44

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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.