Home / 28,833.50-39,769.59-18,743.12

Finding the Fourth Proportional to 28,833.50, 39,769.59 and 18,743.12

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Solution

The fourth proportional to 28,833.50, 39,769.59 and 18,743.12 is: 25,852.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,833.50 : 39,769.59 = 18,743.12 : x
  2. Step 2: Convert to fraction form
    28,833.50/39,769.59 = 18,743.12/x
  3. Step 3: Cross multiply
    28,833.50x = 39,769.59 × 18,743.12
  4. Step 4: Simplify right side
    28,833.50x = 745,406,197.72
  5. Step 5: Solve for x
    x = 745,406,197.72/28,833.50
  6. Step 6: Final answer
    x = 25,852.09

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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.