Home / 19,117.06-26,378.85-10,618.54

Finding the Fourth Proportional to 19,117.06, 26,378.85 and 10,618.54

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Solution

The fourth proportional to 19,117.06, 26,378.85 and 10,618.54 is: 14,652.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.06 : 26,378.85 = 10,618.54 : x
  2. Step 2: Convert to fraction form
    19,117.06/26,378.85 = 10,618.54/x
  3. Step 3: Cross multiply
    19,117.06x = 26,378.85 × 10,618.54
  4. Step 4: Simplify right side
    19,117.06x = 280,104,873.88
  5. Step 5: Solve for x
    x = 280,104,873.88/19,117.06
  6. Step 6: Final answer
    x = 14,652.09

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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.