Home / 15,308.73-21,126.03-8,594.37

Finding the Fourth Proportional to 15,308.73, 21,126.03 and 8,594.37

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Solution

The fourth proportional to 15,308.73, 21,126.03 and 8,594.37 is: 11,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.73 : 21,126.03 = 8,594.37 : x
  2. Step 2: Convert to fraction form
    15,308.73/21,126.03 = 8,594.37/x
  3. Step 3: Cross multiply
    15,308.73x = 21,126.03 × 8,594.37
  4. Step 4: Simplify right side
    15,308.73x = 181,564,918.45
  5. Step 5: Solve for x
    x = 181,564,918.45/15,308.73
  6. Step 6: Final answer
    x = 11,860.22

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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.