Home / 14,190.35-19,582.70-7,816.95

Finding the Fourth Proportional to 14,190.35, 19,582.70 and 7,816.95

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Solution

The fourth proportional to 14,190.35, 19,582.70 and 7,816.95 is: 10,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.35 : 19,582.70 = 7,816.95 : x
  2. Step 2: Convert to fraction form
    14,190.35/19,582.70 = 7,816.95/x
  3. Step 3: Cross multiply
    14,190.35x = 19,582.70 × 7,816.95
  4. Step 4: Simplify right side
    14,190.35x = 153,076,947.68
  5. Step 5: Solve for x
    x = 153,076,947.68/14,190.35
  6. Step 6: Final answer
    x = 10,787.40

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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.