Home / 13,015.59-19,523.38-7,472.45

Finding the Fourth Proportional to 13,015.59, 19,523.38 and 7,472.45

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Solution

The fourth proportional to 13,015.59, 19,523.38 and 7,472.45 is: 11,208.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015.59 : 19,523.38 = 7,472.45 : x
  2. Step 2: Convert to fraction form
    13,015.59/19,523.38 = 7,472.45/x
  3. Step 3: Cross multiply
    13,015.59x = 19,523.38 × 7,472.45
  4. Step 4: Simplify right side
    13,015.59x = 145,887,525.02
  5. Step 5: Solve for x
    x = 145,887,525.02/13,015.59
  6. Step 6: Final answer
    x = 11,208.68

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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.