Home / 14,890.77-20,528.51-12,192.57

Finding the Fourth Proportional to 14,890.77, 20,528.51 and 12,192.57

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Solution

The fourth proportional to 14,890.77, 20,528.51 and 12,192.57 is: 16,808.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.77 : 20,528.51 = 12,192.57 : x
  2. Step 2: Convert to fraction form
    14,890.77/20,528.51 = 12,192.57/x
  3. Step 3: Cross multiply
    14,890.77x = 20,528.51 × 12,192.57
  4. Step 4: Simplify right side
    14,890.77x = 250,295,234.21
  5. Step 5: Solve for x
    x = 250,295,234.21/14,890.77
  6. Step 6: Final answer
    x = 16,808.75

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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.