Home / 19,930.01-27,503.12-10,977.53

Finding the Fourth Proportional to 19,930.01, 27,503.12 and 10,977.53

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Solution

The fourth proportional to 19,930.01, 27,503.12 and 10,977.53 is: 15,148.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.01 : 27,503.12 = 10,977.53 : x
  2. Step 2: Convert to fraction form
    19,930.01/27,503.12 = 10,977.53/x
  3. Step 3: Cross multiply
    19,930.01x = 27,503.12 × 10,977.53
  4. Step 4: Simplify right side
    19,930.01x = 301,916,270.01
  5. Step 5: Solve for x
    x = 301,916,270.01/19,930.01
  6. Step 6: Final answer
    x = 15,148.83

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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.