Home / 18,880.46-26,055.62-10,382.16

Finding the Fourth Proportional to 18,880.46, 26,055.62 and 10,382.16

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Solution

The fourth proportional to 18,880.46, 26,055.62 and 10,382.16 is: 14,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.46 : 26,055.62 = 10,382.16 : x
  2. Step 2: Convert to fraction form
    18,880.46/26,055.62 = 10,382.16/x
  3. Step 3: Cross multiply
    18,880.46x = 26,055.62 × 10,382.16
  4. Step 4: Simplify right side
    18,880.46x = 270,513,615.74
  5. Step 5: Solve for x
    x = 270,513,615.74/18,880.46
  6. Step 6: Final answer
    x = 14,327.70

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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.