Home / 14,765.46-20,359.77-12,068.30

Finding the Fourth Proportional to 14,765.46, 20,359.77 and 12,068.30

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Solution

The fourth proportional to 14,765.46, 20,359.77 and 12,068.30 is: 16,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765.46 : 20,359.77 = 12,068.30 : x
  2. Step 2: Convert to fraction form
    14,765.46/20,359.77 = 12,068.30/x
  3. Step 3: Cross multiply
    14,765.46x = 20,359.77 × 12,068.30
  4. Step 4: Simplify right side
    14,765.46x = 245,707,812.29
  5. Step 5: Solve for x
    x = 245,707,812.29/14,765.46
  6. Step 6: Final answer
    x = 16,640.72

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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.