Home / 18,276.64-25,221.58-9,893.14

Finding the Fourth Proportional to 18,276.64, 25,221.58 and 9,893.14

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Solution

The fourth proportional to 18,276.64, 25,221.58 and 9,893.14 is: 13,652.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.64 : 25,221.58 = 9,893.14 : x
  2. Step 2: Convert to fraction form
    18,276.64/25,221.58 = 9,893.14/x
  3. Step 3: Cross multiply
    18,276.64x = 25,221.58 × 9,893.14
  4. Step 4: Simplify right side
    18,276.64x = 249,520,534.17
  5. Step 5: Solve for x
    x = 249,520,534.17/18,276.64
  6. Step 6: Final answer
    x = 13,652.43

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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.