Home / 33,586.50-46,349.64-18,478.74

Finding the Fourth Proportional to 33,586.50, 46,349.64 and 18,478.74

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Solution

The fourth proportional to 33,586.50, 46,349.64 and 18,478.74 is: 25,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,586.50 : 46,349.64 = 18,478.74 : x
  2. Step 2: Convert to fraction form
    33,586.50/46,349.64 = 18,478.74/x
  3. Step 3: Cross multiply
    33,586.50x = 46,349.64 × 18,478.74
  4. Step 4: Simplify right side
    33,586.50x = 856,482,946.65
  5. Step 5: Solve for x
    x = 856,482,946.65/33,586.50
  6. Step 6: Final answer
    x = 25,500.81

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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.