Home / 17,880.75-24,666.93-12,578.49

Finding the Fourth Proportional to 17,880.75, 24,666.93 and 12,578.49

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Solution

The fourth proportional to 17,880.75, 24,666.93 and 12,578.49 is: 17,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.75 : 24,666.93 = 12,578.49 : x
  2. Step 2: Convert to fraction form
    17,880.75/24,666.93 = 12,578.49/x
  3. Step 3: Cross multiply
    17,880.75x = 24,666.93 × 12,578.49
  4. Step 4: Simplify right side
    17,880.75x = 310,272,732.34
  5. Step 5: Solve for x
    x = 310,272,732.34/17,880.75
  6. Step 6: Final answer
    x = 17,352.33

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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.