Home / 19,558.43-26,990.57-10,605.91

Finding the Fourth Proportional to 19,558.43, 26,990.57 and 10,605.91

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Solution

The fourth proportional to 19,558.43, 26,990.57 and 10,605.91 is: 14,636.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.43 : 26,990.57 = 10,605.91 : x
  2. Step 2: Convert to fraction form
    19,558.43/26,990.57 = 10,605.91/x
  3. Step 3: Cross multiply
    19,558.43x = 26,990.57 × 10,605.91
  4. Step 4: Simplify right side
    19,558.43x = 286,259,503.24
  5. Step 5: Solve for x
    x = 286,259,503.24/19,558.43
  6. Step 6: Final answer
    x = 14,636.12

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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.