Home / 15,770.81-23,656.22-6,415.92

Finding the Fourth Proportional to 15,770.81, 23,656.22 and 6,415.92

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Solution

The fourth proportional to 15,770.81, 23,656.22 and 6,415.92 is: 9,623.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770.81 : 23,656.22 = 6,415.92 : x
  2. Step 2: Convert to fraction form
    15,770.81/23,656.22 = 6,415.92/x
  3. Step 3: Cross multiply
    15,770.81x = 23,656.22 × 6,415.92
  4. Step 4: Simplify right side
    15,770.81x = 151,776,431.06
  5. Step 5: Solve for x
    x = 151,776,431.06/15,770.81
  6. Step 6: Final answer
    x = 9,623.88

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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.