Home / 13,133.28-18,125.52-9,594.72

Finding the Fourth Proportional to 13,133.28, 18,125.52 and 9,594.72

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Solution

The fourth proportional to 13,133.28, 18,125.52 and 9,594.72 is: 13,241.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.28 : 18,125.52 = 9,594.72 : x
  2. Step 2: Convert to fraction form
    13,133.28/18,125.52 = 9,594.72/x
  3. Step 3: Cross multiply
    13,133.28x = 18,125.52 × 9,594.72
  4. Step 4: Simplify right side
    13,133.28x = 173,909,289.25
  5. Step 5: Solve for x
    x = 173,909,289.25/13,133.28
  6. Step 6: Final answer
    x = 13,241.88

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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.