Home / 19,276.56-26,601.18-10,778.76

Finding the Fourth Proportional to 19,276.56, 26,601.18 and 10,778.76

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Solution

The fourth proportional to 19,276.56, 26,601.18 and 10,778.76 is: 14,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.56 : 26,601.18 = 10,778.76 : x
  2. Step 2: Convert to fraction form
    19,276.56/26,601.18 = 10,778.76/x
  3. Step 3: Cross multiply
    19,276.56x = 26,601.18 × 10,778.76
  4. Step 4: Simplify right side
    19,276.56x = 286,727,734.94
  5. Step 5: Solve for x
    x = 286,727,734.94/19,276.56
  6. Step 6: Final answer
    x = 14,874.42

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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.