Home / 19,130.90-26,391.45-16,473.69

Finding the Fourth Proportional to 19,130.90, 26,391.45 and 16,473.69

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Solution

The fourth proportional to 19,130.90, 26,391.45 and 16,473.69 is: 22,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130.90 : 26,391.45 = 16,473.69 : x
  2. Step 2: Convert to fraction form
    19,130.90/26,391.45 = 16,473.69/x
  3. Step 3: Cross multiply
    19,130.90x = 26,391.45 × 16,473.69
  4. Step 4: Simplify right side
    19,130.90x = 434,764,630.09
  5. Step 5: Solve for x
    x = 434,764,630.09/19,130.90
  6. Step 6: Final answer
    x = 22,725.78

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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.