Home / 25,515.42-38,276.01-10,721.58

Finding the Fourth Proportional to 25,515.42, 38,276.01 and 10,721.58

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Solution

The fourth proportional to 25,515.42, 38,276.01 and 10,721.58 is: 16,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.42 : 38,276.01 = 10,721.58 : x
  2. Step 2: Convert to fraction form
    25,515.42/38,276.01 = 10,721.58/x
  3. Step 3: Cross multiply
    25,515.42x = 38,276.01 × 10,721.58
  4. Step 4: Simplify right side
    25,515.42x = 410,379,303.30
  5. Step 5: Solve for x
    x = 410,379,303.30/25,515.42
  6. Step 6: Final answer
    x = 16,083.58

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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.