Home / 16,909.93-25,368.08-5,220.41

Finding the Fourth Proportional to 16,909.93, 25,368.08 and 5,220.41

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Solution

The fourth proportional to 16,909.93, 25,368.08 and 5,220.41 is: 7,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,909.93 : 25,368.08 = 5,220.41 : x
  2. Step 2: Convert to fraction form
    16,909.93/25,368.08 = 5,220.41/x
  3. Step 3: Cross multiply
    16,909.93x = 25,368.08 × 5,220.41
  4. Step 4: Simplify right side
    16,909.93x = 132,431,752.41
  5. Step 5: Solve for x
    x = 132,431,752.41/16,909.93
  6. Step 6: Final answer
    x = 7,831.60

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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.