Home / 18,827.50-25,960.65-12,012.41

Finding the Fourth Proportional to 18,827.50, 25,960.65 and 12,012.41

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Solution

The fourth proportional to 18,827.50, 25,960.65 and 12,012.41 is: 16,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.50 : 25,960.65 = 12,012.41 : x
  2. Step 2: Convert to fraction form
    18,827.50/25,960.65 = 12,012.41/x
  3. Step 3: Cross multiply
    18,827.50x = 25,960.65 × 12,012.41
  4. Step 4: Simplify right side
    18,827.50x = 311,849,841.86
  5. Step 5: Solve for x
    x = 311,849,841.86/18,827.50
  6. Step 6: Final answer
    x = 16,563.53

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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.