Home / 18,716.48-25,829.28-10,333.60

Finding the Fourth Proportional to 18,716.48, 25,829.28 and 10,333.60

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Solution

The fourth proportional to 18,716.48, 25,829.28 and 10,333.60 is: 14,260.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.48 : 25,829.28 = 10,333.60 : x
  2. Step 2: Convert to fraction form
    18,716.48/25,829.28 = 10,333.60/x
  3. Step 3: Cross multiply
    18,716.48x = 25,829.28 × 10,333.60
  4. Step 4: Simplify right side
    18,716.48x = 266,909,447.81
  5. Step 5: Solve for x
    x = 266,909,447.81/18,716.48
  6. Step 6: Final answer
    x = 14,260.66

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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.