Home / 25,530.45-35,231.71-14,352.45

Finding the Fourth Proportional to 25,530.45, 35,231.71 and 14,352.45

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Solution

The fourth proportional to 25,530.45, 35,231.71 and 14,352.45 is: 19,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530.45 : 35,231.71 = 14,352.45 : x
  2. Step 2: Convert to fraction form
    25,530.45/35,231.71 = 14,352.45/x
  3. Step 3: Cross multiply
    25,530.45x = 35,231.71 × 14,352.45
  4. Step 4: Simplify right side
    25,530.45x = 505,661,356.19
  5. Step 5: Solve for x
    x = 505,661,356.19/25,530.45
  6. Step 6: Final answer
    x = 19,806.21

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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.