Home / 13,403.60-18,475.66-10,566.36

Finding the Fourth Proportional to 13,403.60, 18,475.66 and 10,566.36

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Solution

The fourth proportional to 13,403.60, 18,475.66 and 10,566.36 is: 14,564.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.60 : 18,475.66 = 10,566.36 : x
  2. Step 2: Convert to fraction form
    13,403.60/18,475.66 = 10,566.36/x
  3. Step 3: Cross multiply
    13,403.60x = 18,475.66 × 10,566.36
  4. Step 4: Simplify right side
    13,403.60x = 195,220,474.80
  5. Step 5: Solve for x
    x = 195,220,474.80/13,403.60
  6. Step 6: Final answer
    x = 14,564.78

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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.