Home / 14,945.46-20,613.87-12,703.74

Finding the Fourth Proportional to 14,945.46, 20,613.87 and 12,703.74

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Solution

The fourth proportional to 14,945.46, 20,613.87 and 12,703.74 is: 17,521.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,945.46 : 20,613.87 = 12,703.74 : x
  2. Step 2: Convert to fraction form
    14,945.46/20,613.87 = 12,703.74/x
  3. Step 3: Cross multiply
    14,945.46x = 20,613.87 × 12,703.74
  4. Step 4: Simplify right side
    14,945.46x = 261,873,244.87
  5. Step 5: Solve for x
    x = 261,873,244.87/14,945.46
  6. Step 6: Final answer
    x = 17,521.93

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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.