Home / 20,535.02-28,336.74-12,035.99

Finding the Fourth Proportional to 20,535.02, 28,336.74 and 12,035.99

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Solution

The fourth proportional to 20,535.02, 28,336.74 and 12,035.99 is: 16,608.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535.02 : 28,336.74 = 12,035.99 : x
  2. Step 2: Convert to fraction form
    20,535.02/28,336.74 = 12,035.99/x
  3. Step 3: Cross multiply
    20,535.02x = 28,336.74 × 12,035.99
  4. Step 4: Simplify right side
    20,535.02x = 341,060,744.98
  5. Step 5: Solve for x
    x = 341,060,744.98/20,535.02
  6. Step 6: Final answer
    x = 16,608.74

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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.