Home / 15,409.50-23,110.70-4,317.31

Finding the Fourth Proportional to 15,409.50, 23,110.70 and 4,317.31

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Solution

The fourth proportional to 15,409.50, 23,110.70 and 4,317.31 is: 6,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,409.50 : 23,110.70 = 4,317.31 : x
  2. Step 2: Convert to fraction form
    15,409.50/23,110.70 = 4,317.31/x
  3. Step 3: Cross multiply
    15,409.50x = 23,110.70 × 4,317.31
  4. Step 4: Simplify right side
    15,409.50x = 99,776,138.52
  5. Step 5: Solve for x
    x = 99,776,138.52/15,409.50
  6. Step 6: Final answer
    x = 6,474.97

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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.