Home / 13,322.40-19,986.35-5,002.38

Finding the Fourth Proportional to 13,322.40, 19,986.35 and 5,002.38

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Solution

The fourth proportional to 13,322.40, 19,986.35 and 5,002.38 is: 7,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.40 : 19,986.35 = 5,002.38 : x
  2. Step 2: Convert to fraction form
    13,322.40/19,986.35 = 5,002.38/x
  3. Step 3: Cross multiply
    13,322.40x = 19,986.35 × 5,002.38
  4. Step 4: Simplify right side
    13,322.40x = 99,979,292.50
  5. Step 5: Solve for x
    x = 99,979,292.50/13,322.40
  6. Step 6: Final answer
    x = 7,504.60

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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.