Home / 25,736.43-35,516.88-14,405.65

Finding the Fourth Proportional to 25,736.43, 35,516.88 and 14,405.65

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Solution

The fourth proportional to 25,736.43, 35,516.88 and 14,405.65 is: 19,880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,736.43 : 35,516.88 = 14,405.65 : x
  2. Step 2: Convert to fraction form
    25,736.43/35,516.88 = 14,405.65/x
  3. Step 3: Cross multiply
    25,736.43x = 35,516.88 × 14,405.65
  4. Step 4: Simplify right side
    25,736.43x = 511,643,653.58
  5. Step 5: Solve for x
    x = 511,643,653.58/25,736.43
  6. Step 6: Final answer
    x = 19,880.13

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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.