Home / 13,566.76-18,708.96-10,581.49

Finding the Fourth Proportional to 13,566.76, 18,708.96 and 10,581.49

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Solution

The fourth proportional to 13,566.76, 18,708.96 and 10,581.49 is: 14,592.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.76 : 18,708.96 = 10,581.49 : x
  2. Step 2: Convert to fraction form
    13,566.76/18,708.96 = 10,581.49/x
  3. Step 3: Cross multiply
    13,566.76x = 18,708.96 × 10,581.49
  4. Step 4: Simplify right side
    13,566.76x = 197,968,673.15
  5. Step 5: Solve for x
    x = 197,968,673.15/13,566.76
  6. Step 6: Final answer
    x = 14,592.19

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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.