Home / 19,321.44-26,637.40-16,518.92

Finding the Fourth Proportional to 19,321.44, 26,637.40 and 16,518.92

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Solution

The fourth proportional to 19,321.44, 26,637.40 and 16,518.92 is: 22,773.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.44 : 26,637.40 = 16,518.92 : x
  2. Step 2: Convert to fraction form
    19,321.44/26,637.40 = 16,518.92/x
  3. Step 3: Cross multiply
    19,321.44x = 26,637.40 × 16,518.92
  4. Step 4: Simplify right side
    19,321.44x = 440,020,967.07
  5. Step 5: Solve for x
    x = 440,020,967.07/19,321.44
  6. Step 6: Final answer
    x = 22,773.72

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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.