Home / 20,835.50-28,750.46-16,597.35

Finding the Fourth Proportional to 20,835.50, 28,750.46 and 16,597.35

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Solution

The fourth proportional to 20,835.50, 28,750.46 and 16,597.35 is: 22,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,835.50 : 28,750.46 = 16,597.35 : x
  2. Step 2: Convert to fraction form
    20,835.50/28,750.46 = 16,597.35/x
  3. Step 3: Cross multiply
    20,835.50x = 28,750.46 × 16,597.35
  4. Step 4: Simplify right side
    20,835.50x = 477,181,364.29
  5. Step 5: Solve for x
    x = 477,181,364.29/20,835.50
  6. Step 6: Final answer
    x = 22,902.33

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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.