Home / 19,137.06-26,409.18-10,639.98

Finding the Fourth Proportional to 19,137.06, 26,409.18 and 10,639.98

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Solution

The fourth proportional to 19,137.06, 26,409.18 and 10,639.98 is: 14,683.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.06 : 26,409.18 = 10,639.98 : x
  2. Step 2: Convert to fraction form
    19,137.06/26,409.18 = 10,639.98/x
  3. Step 3: Cross multiply
    19,137.06x = 26,409.18 × 10,639.98
  4. Step 4: Simplify right side
    19,137.06x = 280,993,147.02
  5. Step 5: Solve for x
    x = 280,993,147.02/19,137.06
  6. Step 6: Final answer
    x = 14,683.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.