Home / 18,630.08-25,710.96-10,674.86

Finding the Fourth Proportional to 18,630.08, 25,710.96 and 10,674.86

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Solution

The fourth proportional to 18,630.08, 25,710.96 and 10,674.86 is: 14,732.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.08 : 25,710.96 = 10,674.86 : x
  2. Step 2: Convert to fraction form
    18,630.08/25,710.96 = 10,674.86/x
  3. Step 3: Cross multiply
    18,630.08x = 25,710.96 × 10,674.86
  4. Step 4: Simplify right side
    18,630.08x = 274,460,769.91
  5. Step 5: Solve for x
    x = 274,460,769.91/18,630.08
  6. Step 6: Final answer
    x = 14,732.13

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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.