Home / 18,998.89-26,222.08-12,527.14

Finding the Fourth Proportional to 18,998.89, 26,222.08 and 12,527.14

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Solution

The fourth proportional to 18,998.89, 26,222.08 and 12,527.14 is: 17,289.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,998.89 : 26,222.08 = 12,527.14 : x
  2. Step 2: Convert to fraction form
    18,998.89/26,222.08 = 12,527.14/x
  3. Step 3: Cross multiply
    18,998.89x = 26,222.08 × 12,527.14
  4. Step 4: Simplify right side
    18,998.89x = 328,487,473.51
  5. Step 5: Solve for x
    x = 328,487,473.51/18,998.89
  6. Step 6: Final answer
    x = 17,289.83

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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.