Home / 23,174.18-31,980.60-12,564.02

Finding the Fourth Proportional to 23,174.18, 31,980.60 and 12,564.02

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Solution

The fourth proportional to 23,174.18, 31,980.60 and 12,564.02 is: 17,338.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,174.18 : 31,980.60 = 12,564.02 : x
  2. Step 2: Convert to fraction form
    23,174.18/31,980.60 = 12,564.02/x
  3. Step 3: Cross multiply
    23,174.18x = 31,980.60 × 12,564.02
  4. Step 4: Simplify right side
    23,174.18x = 401,804,898.01
  5. Step 5: Solve for x
    x = 401,804,898.01/23,174.18
  6. Step 6: Final answer
    x = 17,338.47

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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.