Home / 25,265.61-34,880.21-15,196.29

Finding the Fourth Proportional to 25,265.61, 34,880.21 and 15,196.29

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Solution

The fourth proportional to 25,265.61, 34,880.21 and 15,196.29 is: 20,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,265.61 : 34,880.21 = 15,196.29 : x
  2. Step 2: Convert to fraction form
    25,265.61/34,880.21 = 15,196.29/x
  3. Step 3: Cross multiply
    25,265.61x = 34,880.21 × 15,196.29
  4. Step 4: Simplify right side
    25,265.61x = 530,049,797.64
  5. Step 5: Solve for x
    x = 530,049,797.64/25,265.61
  6. Step 6: Final answer
    x = 20,979.11

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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.