Home / 25,176.98-37,683.30-18,511.71

Finding the Fourth Proportional to 25,176.98, 37,683.30 and 18,511.71

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Solution

The fourth proportional to 25,176.98, 37,683.30 and 18,511.71 is: 27,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,176.98 : 37,683.30 = 18,511.71 : x
  2. Step 2: Convert to fraction form
    25,176.98/37,683.30 = 18,511.71/x
  3. Step 3: Cross multiply
    25,176.98x = 37,683.30 × 18,511.71
  4. Step 4: Simplify right side
    25,176.98x = 697,582,133.03
  5. Step 5: Solve for x
    x = 697,582,133.03/25,176.98
  6. Step 6: Final answer
    x = 27,707.15

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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.