Home / 39,722.68-59,592.59-13,426.84

Finding the Fourth Proportional to 39,722.68, 59,592.59 and 13,426.84

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Solution

The fourth proportional to 39,722.68, 59,592.59 and 13,426.84 is: 20,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,722.68 : 59,592.59 = 13,426.84 : x
  2. Step 2: Convert to fraction form
    39,722.68/59,592.59 = 13,426.84/x
  3. Step 3: Cross multiply
    39,722.68x = 59,592.59 × 13,426.84
  4. Step 4: Simplify right side
    39,722.68x = 800,140,171.12
  5. Step 5: Solve for x
    x = 800,140,171.12/39,722.68
  6. Step 6: Final answer
    x = 20,143.16

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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.