Home / 17,340.40-23,929.57-9,382.45

Finding the Fourth Proportional to 17,340.40, 23,929.57 and 9,382.45

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Solution

The fourth proportional to 17,340.40, 23,929.57 and 9,382.45 is: 12,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,340.40 : 23,929.57 = 9,382.45 : x
  2. Step 2: Convert to fraction form
    17,340.40/23,929.57 = 9,382.45/x
  3. Step 3: Cross multiply
    17,340.40x = 23,929.57 × 9,382.45
  4. Step 4: Simplify right side
    17,340.40x = 224,517,994.05
  5. Step 5: Solve for x
    x = 224,517,994.05/17,340.40
  6. Step 6: Final answer
    x = 12,947.68

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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.