Home / 15,817.45-23,728.27-5,820.84

Finding the Fourth Proportional to 15,817.45, 23,728.27 and 5,820.84

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Solution

The fourth proportional to 15,817.45, 23,728.27 and 5,820.84 is: 8,732.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,817.45 : 23,728.27 = 5,820.84 : x
  2. Step 2: Convert to fraction form
    15,817.45/23,728.27 = 5,820.84/x
  3. Step 3: Cross multiply
    15,817.45x = 23,728.27 × 5,820.84
  4. Step 4: Simplify right side
    15,817.45x = 138,118,344.51
  5. Step 5: Solve for x
    x = 138,118,344.51/15,817.45
  6. Step 6: Final answer
    x = 8,732.02

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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.