Home / 19,690.61-29,527.59-10,803.41

Finding the Fourth Proportional to 19,690.61, 29,527.59 and 10,803.41

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Solution

The fourth proportional to 19,690.61, 29,527.59 and 10,803.41 is: 16,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.61 : 29,527.59 = 10,803.41 : x
  2. Step 2: Convert to fraction form
    19,690.61/29,527.59 = 10,803.41/x
  3. Step 3: Cross multiply
    19,690.61x = 29,527.59 × 10,803.41
  4. Step 4: Simplify right side
    19,690.61x = 318,998,661.08
  5. Step 5: Solve for x
    x = 318,998,661.08/19,690.61
  6. Step 6: Final answer
    x = 16,200.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.