Home / 20,934.61-28,833.60-19,358.08

Finding the Fourth Proportional to 20,934.61, 28,833.60 and 19,358.08

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Solution

The fourth proportional to 20,934.61, 28,833.60 and 19,358.08 is: 26,662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,934.61 : 28,833.60 = 19,358.08 : x
  2. Step 2: Convert to fraction form
    20,934.61/28,833.60 = 19,358.08/x
  3. Step 3: Cross multiply
    20,934.61x = 28,833.60 × 19,358.08
  4. Step 4: Simplify right side
    20,934.61x = 558,163,135.49
  5. Step 5: Solve for x
    x = 558,163,135.49/20,934.61
  6. Step 6: Final answer
    x = 26,662.22

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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.