Home / 15,599.36-21,527.16-9,311.60

Finding the Fourth Proportional to 15,599.36, 21,527.16 and 9,311.60

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Solution

The fourth proportional to 15,599.36, 21,527.16 and 9,311.60 is: 12,850.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599.36 : 21,527.16 = 9,311.60 : x
  2. Step 2: Convert to fraction form
    15,599.36/21,527.16 = 9,311.60/x
  3. Step 3: Cross multiply
    15,599.36x = 21,527.16 × 9,311.60
  4. Step 4: Simplify right side
    15,599.36x = 200,452,303.06
  5. Step 5: Solve for x
    x = 200,452,303.06/15,599.36
  6. Step 6: Final answer
    x = 12,850.03

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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.