Home / 20,065.47-27,719.18-16,026.99

Finding the Fourth Proportional to 20,065.47, 27,719.18 and 16,026.99

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Solution

The fourth proportional to 20,065.47, 27,719.18 and 16,026.99 is: 22,140.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,065.47 : 27,719.18 = 16,026.99 : x
  2. Step 2: Convert to fraction form
    20,065.47/27,719.18 = 16,026.99/x
  3. Step 3: Cross multiply
    20,065.47x = 27,719.18 × 16,026.99
  4. Step 4: Simplify right side
    20,065.47x = 444,254,940.53
  5. Step 5: Solve for x
    x = 444,254,940.53/20,065.47
  6. Step 6: Final answer
    x = 22,140.27

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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.