Home / 13,453.04-20,152.20-9,953.48

Finding the Fourth Proportional to 13,453.04, 20,152.20 and 9,953.48

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Solution

The fourth proportional to 13,453.04, 20,152.20 and 9,953.48 is: 14,909.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.04 : 20,152.20 = 9,953.48 : x
  2. Step 2: Convert to fraction form
    13,453.04/20,152.20 = 9,953.48/x
  3. Step 3: Cross multiply
    13,453.04x = 20,152.20 × 9,953.48
  4. Step 4: Simplify right side
    13,453.04x = 200,584,519.66
  5. Step 5: Solve for x
    x = 200,584,519.66/13,453.04
  6. Step 6: Final answer
    x = 14,909.98

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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.