Home / 19,288.22-26,617.91-10,790.51

Finding the Fourth Proportional to 19,288.22, 26,617.91 and 10,790.51

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Solution

The fourth proportional to 19,288.22, 26,617.91 and 10,790.51 is: 14,890.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.22 : 26,617.91 = 10,790.51 : x
  2. Step 2: Convert to fraction form
    19,288.22/26,617.91 = 10,790.51/x
  3. Step 3: Cross multiply
    19,288.22x = 26,617.91 × 10,790.51
  4. Step 4: Simplify right side
    19,288.22x = 287,220,636.99
  5. Step 5: Solve for x
    x = 287,220,636.99/19,288.22
  6. Step 6: Final answer
    x = 14,890.99

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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.