Home / 18,946.44-26,148.53-15,754.25

Finding the Fourth Proportional to 18,946.44, 26,148.53 and 15,754.25

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Solution

The fourth proportional to 18,946.44, 26,148.53 and 15,754.25 is: 21,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946.44 : 26,148.53 = 15,754.25 : x
  2. Step 2: Convert to fraction form
    18,946.44/26,148.53 = 15,754.25/x
  3. Step 3: Cross multiply
    18,946.44x = 26,148.53 × 15,754.25
  4. Step 4: Simplify right side
    18,946.44x = 411,950,485.45
  5. Step 5: Solve for x
    x = 411,950,485.45/18,946.44
  6. Step 6: Final answer
    x = 21,742.89

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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.