Home / 23,156.89-34,710.32-11,284.45

Finding the Fourth Proportional to 23,156.89, 34,710.32 and 11,284.45

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Solution

The fourth proportional to 23,156.89, 34,710.32 and 11,284.45 is: 16,914.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,156.89 : 34,710.32 = 11,284.45 : x
  2. Step 2: Convert to fraction form
    23,156.89/34,710.32 = 11,284.45/x
  3. Step 3: Cross multiply
    23,156.89x = 34,710.32 × 11,284.45
  4. Step 4: Simplify right side
    23,156.89x = 391,686,811.96
  5. Step 5: Solve for x
    x = 391,686,811.96/23,156.89
  6. Step 6: Final answer
    x = 16,914.48

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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.