Home / 33,886.55-46,762.74-18,779.09

Finding the Fourth Proportional to 33,886.55, 46,762.74 and 18,779.09

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Solution

The fourth proportional to 33,886.55, 46,762.74 and 18,779.09 is: 25,914.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,886.55 : 46,762.74 = 18,779.09 : x
  2. Step 2: Convert to fraction form
    33,886.55/46,762.74 = 18,779.09/x
  3. Step 3: Cross multiply
    33,886.55x = 46,762.74 × 18,779.09
  4. Step 4: Simplify right side
    33,886.55x = 878,161,703.11
  5. Step 5: Solve for x
    x = 878,161,703.11/33,886.55
  6. Step 6: Final answer
    x = 25,914.76

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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.