Home / 20,596.51-28,423.04-11,644.00

Finding the Fourth Proportional to 20,596.51, 28,423.04 and 11,644.00

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Solution

The fourth proportional to 20,596.51, 28,423.04 and 11,644.00 is: 16,068.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,596.51 : 28,423.04 = 11,644.00 : x
  2. Step 2: Convert to fraction form
    20,596.51/28,423.04 = 11,644.00/x
  3. Step 3: Cross multiply
    20,596.51x = 28,423.04 × 11,644.00
  4. Step 4: Simplify right side
    20,596.51x = 330,957,677.42
  5. Step 5: Solve for x
    x = 330,957,677.42/20,596.51
  6. Step 6: Final answer
    x = 16,068.63

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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.