Home / 19,628.25-29,388.43-13,711.06

Finding the Fourth Proportional to 19,628.25, 29,388.43 and 13,711.06

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Solution

The fourth proportional to 19,628.25, 29,388.43 and 13,711.06 is: 20,528.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.25 : 29,388.43 = 13,711.06 : x
  2. Step 2: Convert to fraction form
    19,628.25/29,388.43 = 13,711.06/x
  3. Step 3: Cross multiply
    19,628.25x = 29,388.43 × 13,711.06
  4. Step 4: Simplify right side
    19,628.25x = 402,946,527.04
  5. Step 5: Solve for x
    x = 402,946,527.04/19,628.25
  6. Step 6: Final answer
    x = 20,528.91

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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.