Home / 19,148.77-26,260.40-18,350.47

Finding the Fourth Proportional to 19,148.77, 26,260.40 and 18,350.47

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Solution

The fourth proportional to 19,148.77, 26,260.40 and 18,350.47 is: 25,165.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.77 : 26,260.40 = 18,350.47 : x
  2. Step 2: Convert to fraction form
    19,148.77/26,260.40 = 18,350.47/x
  3. Step 3: Cross multiply
    19,148.77x = 26,260.40 × 18,350.47
  4. Step 4: Simplify right side
    19,148.77x = 481,890,682.39
  5. Step 5: Solve for x
    x = 481,890,682.39/19,148.77
  6. Step 6: Final answer
    x = 25,165.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.