Home / 18,349.64-25,322.37-9,966.14

Finding the Fourth Proportional to 18,349.64, 25,322.37 and 9,966.14

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Solution

The fourth proportional to 18,349.64, 25,322.37 and 9,966.14 is: 13,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.64 : 25,322.37 = 9,966.14 : x
  2. Step 2: Convert to fraction form
    18,349.64/25,322.37 = 9,966.14/x
  3. Step 3: Cross multiply
    18,349.64x = 25,322.37 × 9,966.14
  4. Step 4: Simplify right side
    18,349.64x = 252,366,284.55
  5. Step 5: Solve for x
    x = 252,366,284.55/18,349.64
  6. Step 6: Final answer
    x = 13,753.20

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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.