Home / 19,190.64-26,490.58-18,567.74

Finding the Fourth Proportional to 19,190.64, 26,490.58 and 18,567.74

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Solution

The fourth proportional to 19,190.64, 26,490.58 and 18,567.74 is: 25,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.64 : 26,490.58 = 18,567.74 : x
  2. Step 2: Convert to fraction form
    19,190.64/26,490.58 = 18,567.74/x
  3. Step 3: Cross multiply
    19,190.64x = 26,490.58 × 18,567.74
  4. Step 4: Simplify right side
    19,190.64x = 491,870,201.89
  5. Step 5: Solve for x
    x = 491,870,201.89/19,190.64
  6. Step 6: Final answer
    x = 25,630.73

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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.