Home / 13,357.98-20,017.80-7,502.27

Finding the Fourth Proportional to 13,357.98, 20,017.80 and 7,502.27

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Solution

The fourth proportional to 13,357.98, 20,017.80 and 7,502.27 is: 11,242.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357.98 : 20,017.80 = 7,502.27 : x
  2. Step 2: Convert to fraction form
    13,357.98/20,017.80 = 7,502.27/x
  3. Step 3: Cross multiply
    13,357.98x = 20,017.80 × 7,502.27
  4. Step 4: Simplify right side
    13,357.98x = 150,178,840.32
  5. Step 5: Solve for x
    x = 150,178,840.32/13,357.98
  6. Step 6: Final answer
    x = 11,242.63

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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.