Home / 25,081.61-37,623.95-8,440.25

Finding the Fourth Proportional to 25,081.61, 37,623.95 and 8,440.25

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Solution

The fourth proportional to 25,081.61, 37,623.95 and 8,440.25 is: 12,660.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,081.61 : 37,623.95 = 8,440.25 : x
  2. Step 2: Convert to fraction form
    25,081.61/37,623.95 = 8,440.25/x
  3. Step 3: Cross multiply
    25,081.61x = 37,623.95 × 8,440.25
  4. Step 4: Simplify right side
    25,081.61x = 317,555,543.99
  5. Step 5: Solve for x
    x = 317,555,543.99/25,081.61
  6. Step 6: Final answer
    x = 12,660.89

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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.