Home / 18,485.30-25,514.25-10,532.21

Finding the Fourth Proportional to 18,485.30, 25,514.25 and 10,532.21

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Solution

The fourth proportional to 18,485.30, 25,514.25 and 10,532.21 is: 14,537.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.30 : 25,514.25 = 10,532.21 : x
  2. Step 2: Convert to fraction form
    18,485.30/25,514.25 = 10,532.21/x
  3. Step 3: Cross multiply
    18,485.30x = 25,514.25 × 10,532.21
  4. Step 4: Simplify right side
    18,485.30x = 268,721,502.78
  5. Step 5: Solve for x
    x = 268,721,502.78/18,485.30
  6. Step 6: Final answer
    x = 14,537.04

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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.