Home / 25,265.61-34,855.79-18,539.55

Finding the Fourth Proportional to 25,265.61, 34,855.79 and 18,539.55

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Solution

The fourth proportional to 25,265.61, 34,855.79 and 18,539.55 is: 25,576.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,265.61 : 34,855.79 = 18,539.55 : x
  2. Step 2: Convert to fraction form
    25,265.61/34,855.79 = 18,539.55/x
  3. Step 3: Cross multiply
    25,265.61x = 34,855.79 × 18,539.55
  4. Step 4: Simplify right side
    25,265.61x = 646,210,568.80
  5. Step 5: Solve for x
    x = 646,210,568.80/25,265.61
  6. Step 6: Final answer
    x = 25,576.69

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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.