Home / 39,609.75-59,415.39-14,636.91

Finding the Fourth Proportional to 39,609.75, 59,415.39 and 14,636.91

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Solution

The fourth proportional to 39,609.75, 59,415.39 and 14,636.91 is: 21,955.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,609.75 : 59,415.39 = 14,636.91 : x
  2. Step 2: Convert to fraction form
    39,609.75/59,415.39 = 14,636.91/x
  3. Step 3: Cross multiply
    39,609.75x = 59,415.39 × 14,636.91
  4. Step 4: Simplify right side
    39,609.75x = 869,657,716.04
  5. Step 5: Solve for x
    x = 869,657,716.04/39,609.75
  6. Step 6: Final answer
    x = 21,955.65

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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.