Home / 19,276.63-26,601.21-10,778.77

Finding the Fourth Proportional to 19,276.63, 26,601.21 and 10,778.77

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Solution

The fourth proportional to 19,276.63, 26,601.21 and 10,778.77 is: 14,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.63 : 26,601.21 = 10,778.77 : x
  2. Step 2: Convert to fraction form
    19,276.63/26,601.21 = 10,778.77/x
  3. Step 3: Cross multiply
    19,276.63x = 26,601.21 × 10,778.77
  4. Step 4: Simplify right side
    19,276.63x = 286,728,357.56
  5. Step 5: Solve for x
    x = 286,728,357.56/19,276.63
  6. Step 6: Final answer
    x = 14,874.40

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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.