Home / 19,116.23-26,379.16-10,617.68

Finding the Fourth Proportional to 19,116.23, 26,379.16 and 10,617.68

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Solution

The fourth proportional to 19,116.23, 26,379.16 and 10,617.68 is: 14,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.23 : 26,379.16 = 10,617.68 : x
  2. Step 2: Convert to fraction form
    19,116.23/26,379.16 = 10,617.68/x
  3. Step 3: Cross multiply
    19,116.23x = 26,379.16 × 10,617.68
  4. Step 4: Simplify right side
    19,116.23x = 280,085,518.95
  5. Step 5: Solve for x
    x = 280,085,518.95/19,116.23
  6. Step 6: Final answer
    x = 14,651.72

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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.