Home / 19,596.08-27,065.40-16,420.88

Finding the Fourth Proportional to 19,596.08, 27,065.40 and 16,420.88

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Solution

The fourth proportional to 19,596.08, 27,065.40 and 16,420.88 is: 22,679.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,596.08 : 27,065.40 = 16,420.88 : x
  2. Step 2: Convert to fraction form
    19,596.08/27,065.40 = 16,420.88/x
  3. Step 3: Cross multiply
    19,596.08x = 27,065.40 × 16,420.88
  4. Step 4: Simplify right side
    19,596.08x = 444,437,685.55
  5. Step 5: Solve for x
    x = 444,437,685.55/19,596.08
  6. Step 6: Final answer
    x = 22,679.93

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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.