Home / 15,918.43-23,877.55-4,072.18

Finding the Fourth Proportional to 15,918.43, 23,877.55 and 4,072.18

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Solution

The fourth proportional to 15,918.43, 23,877.55 and 4,072.18 is: 6,108.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918.43 : 23,877.55 = 4,072.18 : x
  2. Step 2: Convert to fraction form
    15,918.43/23,877.55 = 4,072.18/x
  3. Step 3: Cross multiply
    15,918.43x = 23,877.55 × 4,072.18
  4. Step 4: Simplify right side
    15,918.43x = 97,233,681.56
  5. Step 5: Solve for x
    x = 97,233,681.56/15,918.43
  6. Step 6: Final answer
    x = 6,108.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.