Home / 17,139.99-23,653.56-12,113.07

Finding the Fourth Proportional to 17,139.99, 23,653.56 and 12,113.07

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Solution

The fourth proportional to 17,139.99, 23,653.56 and 12,113.07 is: 16,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,139.99 : 23,653.56 = 12,113.07 : x
  2. Step 2: Convert to fraction form
    17,139.99/23,653.56 = 12,113.07/x
  3. Step 3: Cross multiply
    17,139.99x = 23,653.56 × 12,113.07
  4. Step 4: Simplify right side
    17,139.99x = 286,517,228.03
  5. Step 5: Solve for x
    x = 286,517,228.03/17,139.99
  6. Step 6: Final answer
    x = 16,716.30

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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.