Home / 23,153.70-34,631.64-19,331.10

Finding the Fourth Proportional to 23,153.70, 34,631.64 and 19,331.10

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Solution

The fourth proportional to 23,153.70, 34,631.64 and 19,331.10 is: 28,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,153.70 : 34,631.64 = 19,331.10 : x
  2. Step 2: Convert to fraction form
    23,153.70/34,631.64 = 19,331.10/x
  3. Step 3: Cross multiply
    23,153.70x = 34,631.64 × 19,331.10
  4. Step 4: Simplify right side
    23,153.70x = 669,467,696.00
  5. Step 5: Solve for x
    x = 669,467,696.00/23,153.70
  6. Step 6: Final answer
    x = 28,914.07

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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.