Home / 17,146.23-23,666.55-9,977.53

Finding the Fourth Proportional to 17,146.23, 23,666.55 and 9,977.53

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Solution

The fourth proportional to 17,146.23, 23,666.55 and 9,977.53 is: 13,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,146.23 : 23,666.55 = 9,977.53 : x
  2. Step 2: Convert to fraction form
    17,146.23/23,666.55 = 9,977.53/x
  3. Step 3: Cross multiply
    17,146.23x = 23,666.55 × 9,977.53
  4. Step 4: Simplify right side
    17,146.23x = 236,133,712.62
  5. Step 5: Solve for x
    x = 236,133,712.62/17,146.23
  6. Step 6: Final answer
    x = 13,771.76

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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.