Home / 13,566.48-20,346.48-9,911.76

Finding the Fourth Proportional to 13,566.48, 20,346.48 and 9,911.76

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Solution

The fourth proportional to 13,566.48, 20,346.48 and 9,911.76 is: 14,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.48 : 20,346.48 = 9,911.76 : x
  2. Step 2: Convert to fraction form
    13,566.48/20,346.48 = 9,911.76/x
  3. Step 3: Cross multiply
    13,566.48x = 20,346.48 × 9,911.76
  4. Step 4: Simplify right side
    13,566.48x = 201,669,426.60
  5. Step 5: Solve for x
    x = 201,669,426.60/13,566.48
  6. Step 6: Final answer
    x = 14,865.27

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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.