Home / 19,000.39-26,080.07-18,188.47

Finding the Fourth Proportional to 19,000.39, 26,080.07 and 18,188.47

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Solution

The fourth proportional to 19,000.39, 26,080.07 and 18,188.47 is: 24,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.39 : 26,080.07 = 18,188.47 : x
  2. Step 2: Convert to fraction form
    19,000.39/26,080.07 = 18,188.47/x
  3. Step 3: Cross multiply
    19,000.39x = 26,080.07 × 18,188.47
  4. Step 4: Simplify right side
    19,000.39x = 474,356,570.79
  5. Step 5: Solve for x
    x = 474,356,570.79/19,000.39
  6. Step 6: Final answer
    x = 24,965.62

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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.