Home / 14,910.13-20,569.21-9,243.37

Finding the Fourth Proportional to 14,910.13, 20,569.21 and 9,243.37

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Solution

The fourth proportional to 14,910.13, 20,569.21 and 9,243.37 is: 12,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.13 : 20,569.21 = 9,243.37 : x
  2. Step 2: Convert to fraction form
    14,910.13/20,569.21 = 9,243.37/x
  3. Step 3: Cross multiply
    14,910.13x = 20,569.21 × 9,243.37
  4. Step 4: Simplify right side
    14,910.13x = 190,128,818.64
  5. Step 5: Solve for x
    x = 190,128,818.64/14,910.13
  6. Step 6: Final answer
    x = 12,751.65

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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.