Home / 39,975.94-59,898.30-13,666.33

Finding the Fourth Proportional to 39,975.94, 59,898.30 and 13,666.33

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Solution

The fourth proportional to 39,975.94, 59,898.30 and 13,666.33 is: 20,477.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.94 : 59,898.30 = 13,666.33 : x
  2. Step 2: Convert to fraction form
    39,975.94/59,898.30 = 13,666.33/x
  3. Step 3: Cross multiply
    39,975.94x = 59,898.30 × 13,666.33
  4. Step 4: Simplify right side
    39,975.94x = 818,589,934.24
  5. Step 5: Solve for x
    x = 818,589,934.24/39,975.94
  6. Step 6: Final answer
    x = 20,477.07

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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.