Home / 20,316.14-27,977.80-16,746.55

Finding the Fourth Proportional to 20,316.14, 27,977.80 and 16,746.55

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Solution

The fourth proportional to 20,316.14, 27,977.80 and 16,746.55 is: 23,062.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,316.14 : 27,977.80 = 16,746.55 : x
  2. Step 2: Convert to fraction form
    20,316.14/27,977.80 = 16,746.55/x
  3. Step 3: Cross multiply
    20,316.14x = 27,977.80 × 16,746.55
  4. Step 4: Simplify right side
    20,316.14x = 468,531,499.08
  5. Step 5: Solve for x
    x = 468,531,499.08/20,316.14
  6. Step 6: Final answer
    x = 23,062.03

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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.