Home / 25,349.35-38,011.34-7,816.90

Finding the Fourth Proportional to 25,349.35, 38,011.34 and 7,816.90

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Solution

The fourth proportional to 25,349.35, 38,011.34 and 7,816.90 is: 11,721.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,349.35 : 38,011.34 = 7,816.90 : x
  2. Step 2: Convert to fraction form
    25,349.35/38,011.34 = 7,816.90/x
  3. Step 3: Cross multiply
    25,349.35x = 38,011.34 × 7,816.90
  4. Step 4: Simplify right side
    25,349.35x = 297,130,804.56
  5. Step 5: Solve for x
    x = 297,130,804.56/25,349.35
  6. Step 6: Final answer
    x = 11,721.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.