Home / 19,276.80-26,601.60-12,563.20

Finding the Fourth Proportional to 19,276.80, 26,601.60 and 12,563.20

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Solution

The fourth proportional to 19,276.80, 26,601.60 and 12,563.20 is: 17,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.80 : 26,601.60 = 12,563.20 : x
  2. Step 2: Convert to fraction form
    19,276.80/26,601.60 = 12,563.20/x
  3. Step 3: Cross multiply
    19,276.80x = 26,601.60 × 12,563.20
  4. Step 4: Simplify right side
    19,276.80x = 334,201,221.12
  5. Step 5: Solve for x
    x = 334,201,221.12/19,276.80
  6. Step 6: Final answer
    x = 17,336.97

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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.