Home / 19,683.52-27,145.02-14,660.08

Finding the Fourth Proportional to 19,683.52, 27,145.02 and 14,660.08

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Solution

The fourth proportional to 19,683.52, 27,145.02 and 14,660.08 is: 20,217.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683.52 : 27,145.02 = 14,660.08 : x
  2. Step 2: Convert to fraction form
    19,683.52/27,145.02 = 14,660.08/x
  3. Step 3: Cross multiply
    19,683.52x = 27,145.02 × 14,660.08
  4. Step 4: Simplify right side
    19,683.52x = 397,948,164.80
  5. Step 5: Solve for x
    x = 397,948,164.80/19,683.52
  6. Step 6: Final answer
    x = 20,217.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.