Home / 39,666.21-59,490.09-11,580.33

Finding the Fourth Proportional to 39,666.21, 59,490.09 and 11,580.33

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Solution

The fourth proportional to 39,666.21, 59,490.09 and 11,580.33 is: 17,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,666.21 : 59,490.09 = 11,580.33 : x
  2. Step 2: Convert to fraction form
    39,666.21/59,490.09 = 11,580.33/x
  3. Step 3: Cross multiply
    39,666.21x = 59,490.09 × 11,580.33
  4. Step 4: Simplify right side
    39,666.21x = 688,914,873.93
  5. Step 5: Solve for x
    x = 688,914,873.93/39,666.21
  6. Step 6: Final answer
    x = 17,367.80

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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.