Home / 25,855.77-38,792.02-12,698.92

Finding the Fourth Proportional to 25,855.77, 38,792.02 and 12,698.92

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Solution

The fourth proportional to 25,855.77, 38,792.02 and 12,698.92 is: 19,052.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,855.77 : 38,792.02 = 12,698.92 : x
  2. Step 2: Convert to fraction form
    25,855.77/38,792.02 = 12,698.92/x
  3. Step 3: Cross multiply
    25,855.77x = 38,792.02 × 12,698.92
  4. Step 4: Simplify right side
    25,855.77x = 492,616,758.62
  5. Step 5: Solve for x
    x = 492,616,758.62/25,855.77
  6. Step 6: Final answer
    x = 19,052.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.