Home / 18,688.59-27,896.15-16,474.23

Finding the Fourth Proportional to 18,688.59, 27,896.15 and 16,474.23

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Solution

The fourth proportional to 18,688.59, 27,896.15 and 16,474.23 is: 24,590.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,688.59 : 27,896.15 = 16,474.23 : x
  2. Step 2: Convert to fraction form
    18,688.59/27,896.15 = 16,474.23/x
  3. Step 3: Cross multiply
    18,688.59x = 27,896.15 × 16,474.23
  4. Step 4: Simplify right side
    18,688.59x = 459,567,632.40
  5. Step 5: Solve for x
    x = 459,567,632.40/18,688.59
  6. Step 6: Final answer
    x = 24,590.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.