Home / 19,327.52-26,668.32-18,343.28

Finding the Fourth Proportional to 19,327.52, 26,668.32 and 18,343.28

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Solution

The fourth proportional to 19,327.52, 26,668.32 and 18,343.28 is: 25,310.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.52 : 26,668.32 = 18,343.28 : x
  2. Step 2: Convert to fraction form
    19,327.52/26,668.32 = 18,343.28/x
  3. Step 3: Cross multiply
    19,327.52x = 26,668.32 × 18,343.28
  4. Step 4: Simplify right side
    19,327.52x = 489,184,460.89
  5. Step 5: Solve for x
    x = 489,184,460.89/19,327.52
  6. Step 6: Final answer
    x = 25,310.26

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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.