Home / 18,446.91-25,455.02-10,487.58

Finding the Fourth Proportional to 18,446.91, 25,455.02 and 10,487.58

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Solution

The fourth proportional to 18,446.91, 25,455.02 and 10,487.58 is: 14,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.91 : 25,455.02 = 10,487.58 : x
  2. Step 2: Convert to fraction form
    18,446.91/25,455.02 = 10,487.58/x
  3. Step 3: Cross multiply
    18,446.91x = 25,455.02 × 10,487.58
  4. Step 4: Simplify right side
    18,446.91x = 266,961,558.65
  5. Step 5: Solve for x
    x = 266,961,558.65/18,446.91
  6. Step 6: Final answer
    x = 14,471.88

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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.