Home / 18,501.96-25,531.62-10,543.08

Finding the Fourth Proportional to 18,501.96, 25,531.62 and 10,543.08

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Solution

The fourth proportional to 18,501.96, 25,531.62 and 10,543.08 is: 14,548.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.96 : 25,531.62 = 10,543.08 : x
  2. Step 2: Convert to fraction form
    18,501.96/25,531.62 = 10,543.08/x
  3. Step 3: Cross multiply
    18,501.96x = 25,531.62 × 10,543.08
  4. Step 4: Simplify right side
    18,501.96x = 269,181,912.19
  5. Step 5: Solve for x
    x = 269,181,912.19/18,501.96
  6. Step 6: Final answer
    x = 14,548.83

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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.