Home / 14,825.36-20,350.05-13,109.18

Finding the Fourth Proportional to 14,825.36, 20,350.05 and 13,109.18

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Solution

The fourth proportional to 14,825.36, 20,350.05 and 13,109.18 is: 17,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,825.36 : 20,350.05 = 13,109.18 : x
  2. Step 2: Convert to fraction form
    14,825.36/20,350.05 = 13,109.18/x
  3. Step 3: Cross multiply
    14,825.36x = 20,350.05 × 13,109.18
  4. Step 4: Simplify right side
    14,825.36x = 266,772,402.91
  5. Step 5: Solve for x
    x = 266,772,402.91/14,825.36
  6. Step 6: Final answer
    x = 17,994.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.