Home / 14,190.49-19,582.88-7,817.07

Finding the Fourth Proportional to 14,190.49, 19,582.88 and 7,817.07

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Solution

The fourth proportional to 14,190.49, 19,582.88 and 7,817.07 is: 10,787.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.49 : 19,582.88 = 7,817.07 : x
  2. Step 2: Convert to fraction form
    14,190.49/19,582.88 = 7,817.07/x
  3. Step 3: Cross multiply
    14,190.49x = 19,582.88 × 7,817.07
  4. Step 4: Simplify right side
    14,190.49x = 153,080,711.93
  5. Step 5: Solve for x
    x = 153,080,711.93/14,190.49
  6. Step 6: Final answer
    x = 10,787.56

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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.