Home / 28,152.81-38,837.19-18,596.43

Finding the Fourth Proportional to 28,152.81, 38,837.19 and 18,596.43

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Solution

The fourth proportional to 28,152.81, 38,837.19 and 18,596.43 is: 25,654.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,152.81 : 38,837.19 = 18,596.43 : x
  2. Step 2: Convert to fraction form
    28,152.81/38,837.19 = 18,596.43/x
  3. Step 3: Cross multiply
    28,152.81x = 38,837.19 × 18,596.43
  4. Step 4: Simplify right side
    28,152.81x = 722,233,085.23
  5. Step 5: Solve for x
    x = 722,233,085.23/28,152.81
  6. Step 6: Final answer
    x = 25,654.03

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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.