Home / 28,683.61-39,584.26-17,355.18

Finding the Fourth Proportional to 28,683.61, 39,584.26 and 17,355.18

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Solution

The fourth proportional to 28,683.61, 39,584.26 and 17,355.18 is: 23,950.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,683.61 : 39,584.26 = 17,355.18 : x
  2. Step 2: Convert to fraction form
    28,683.61/39,584.26 = 17,355.18/x
  3. Step 3: Cross multiply
    28,683.61x = 39,584.26 × 17,355.18
  4. Step 4: Simplify right side
    28,683.61x = 686,991,957.47
  5. Step 5: Solve for x
    x = 686,991,957.47/28,683.61
  6. Step 6: Final answer
    x = 23,950.68

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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.