Home / 15,918.06-23,877.64-4,231.30

Finding the Fourth Proportional to 15,918.06, 23,877.64 and 4,231.30

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Solution

The fourth proportional to 15,918.06, 23,877.64 and 4,231.30 is: 6,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918.06 : 23,877.64 = 4,231.30 : x
  2. Step 2: Convert to fraction form
    15,918.06/23,877.64 = 4,231.30/x
  3. Step 3: Cross multiply
    15,918.06x = 23,877.64 × 4,231.30
  4. Step 4: Simplify right side
    15,918.06x = 101,033,458.13
  5. Step 5: Solve for x
    x = 101,033,458.13/15,918.06
  6. Step 6: Final answer
    x = 6,347.10

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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.