Home / 28,594.26-39,471.65-18,531.34

Finding the Fourth Proportional to 28,594.26, 39,471.65 and 18,531.34

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Solution

The fourth proportional to 28,594.26, 39,471.65 and 18,531.34 is: 25,580.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,594.26 : 39,471.65 = 18,531.34 : x
  2. Step 2: Convert to fraction form
    28,594.26/39,471.65 = 18,531.34/x
  3. Step 3: Cross multiply
    28,594.26x = 39,471.65 × 18,531.34
  4. Step 4: Simplify right side
    28,594.26x = 731,462,566.51
  5. Step 5: Solve for x
    x = 731,462,566.51/28,594.26
  6. Step 6: Final answer
    x = 25,580.75

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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.