Home / 13,573.52-20,347.76-9,415.49

Finding the Fourth Proportional to 13,573.52, 20,347.76 and 9,415.49

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Solution

The fourth proportional to 13,573.52, 20,347.76 and 9,415.49 is: 14,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.52 : 20,347.76 = 9,415.49 : x
  2. Step 2: Convert to fraction form
    13,573.52/20,347.76 = 9,415.49/x
  3. Step 3: Cross multiply
    13,573.52x = 20,347.76 × 9,415.49
  4. Step 4: Simplify right side
    13,573.52x = 191,584,114.10
  5. Step 5: Solve for x
    x = 191,584,114.10/13,573.52
  6. Step 6: Final answer
    x = 14,114.54

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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.