Home / 15,170.07-22,755.11-4,782.63

Finding the Fourth Proportional to 15,170.07, 22,755.11 and 4,782.63

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Solution

The fourth proportional to 15,170.07, 22,755.11 and 4,782.63 is: 7,173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170.07 : 22,755.11 = 4,782.63 : x
  2. Step 2: Convert to fraction form
    15,170.07/22,755.11 = 4,782.63/x
  3. Step 3: Cross multiply
    15,170.07x = 22,755.11 × 4,782.63
  4. Step 4: Simplify right side
    15,170.07x = 108,829,271.74
  5. Step 5: Solve for x
    x = 108,829,271.74/15,170.07
  6. Step 6: Final answer
    x = 7,173.95

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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.