Home / 16,977.31-23,428.25-9,423.42

Finding the Fourth Proportional to 16,977.31, 23,428.25 and 9,423.42

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Solution

The fourth proportional to 16,977.31, 23,428.25 and 9,423.42 is: 13,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.31 : 23,428.25 = 9,423.42 : x
  2. Step 2: Convert to fraction form
    16,977.31/23,428.25 = 9,423.42/x
  3. Step 3: Cross multiply
    16,977.31x = 23,428.25 × 9,423.42
  4. Step 4: Simplify right side
    16,977.31x = 220,774,324.77
  5. Step 5: Solve for x
    x = 220,774,324.77/16,977.31
  6. Step 6: Final answer
    x = 13,004.08

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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.