Home / 16,710.40-23,059.32-9,155.38

Finding the Fourth Proportional to 16,710.40, 23,059.32 and 9,155.38

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Solution

The fourth proportional to 16,710.40, 23,059.32 and 9,155.38 is: 12,633.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,710.40 : 23,059.32 = 9,155.38 : x
  2. Step 2: Convert to fraction form
    16,710.40/23,059.32 = 9,155.38/x
  3. Step 3: Cross multiply
    16,710.40x = 23,059.32 × 9,155.38
  4. Step 4: Simplify right side
    16,710.40x = 211,116,837.14
  5. Step 5: Solve for x
    x = 211,116,837.14/16,710.40
  6. Step 6: Final answer
    x = 12,633.86

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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.