Home / 20,594.12-28,412.17-12,096.51

Finding the Fourth Proportional to 20,594.12, 28,412.17 and 12,096.51

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Solution

The fourth proportional to 20,594.12, 28,412.17 and 12,096.51 is: 16,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594.12 : 28,412.17 = 12,096.51 : x
  2. Step 2: Convert to fraction form
    20,594.12/28,412.17 = 12,096.51/x
  3. Step 3: Cross multiply
    20,594.12x = 28,412.17 × 12,096.51
  4. Step 4: Simplify right side
    20,594.12x = 343,687,961.74
  5. Step 5: Solve for x
    x = 343,687,961.74/20,594.12
  6. Step 6: Final answer
    x = 16,688.65

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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.