Home / 18,531.69-25,573.74-10,148.19

Finding the Fourth Proportional to 18,531.69, 25,573.74 and 10,148.19

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Solution

The fourth proportional to 18,531.69, 25,573.74 and 10,148.19 is: 14,004.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.69 : 25,573.74 = 10,148.19 : x
  2. Step 2: Convert to fraction form
    18,531.69/25,573.74 = 10,148.19/x
  3. Step 3: Cross multiply
    18,531.69x = 25,573.74 × 10,148.19
  4. Step 4: Simplify right side
    18,531.69x = 259,527,121.79
  5. Step 5: Solve for x
    x = 259,527,121.79/18,531.69
  6. Step 6: Final answer
    x = 14,004.50

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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.