Home / 14,013.48-19,337.68-7,725.84

Finding the Fourth Proportional to 14,013.48, 19,337.68 and 7,725.84

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Solution

The fourth proportional to 14,013.48, 19,337.68 and 7,725.84 is: 10,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.48 : 19,337.68 = 7,725.84 : x
  2. Step 2: Convert to fraction form
    14,013.48/19,337.68 = 7,725.84/x
  3. Step 3: Cross multiply
    14,013.48x = 19,337.68 × 7,725.84
  4. Step 4: Simplify right side
    14,013.48x = 149,399,821.65
  5. Step 5: Solve for x
    x = 149,399,821.65/14,013.48
  6. Step 6: Final answer
    x = 10,661.15

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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.