Home / 18,277.05-25,222.35-9,893.55

Finding the Fourth Proportional to 18,277.05, 25,222.35 and 9,893.55

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Solution

The fourth proportional to 18,277.05, 25,222.35 and 9,893.55 is: 13,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.05 : 25,222.35 = 9,893.55 : x
  2. Step 2: Convert to fraction form
    18,277.05/25,222.35 = 9,893.55/x
  3. Step 3: Cross multiply
    18,277.05x = 25,222.35 × 9,893.55
  4. Step 4: Simplify right side
    18,277.05x = 249,538,580.84
  5. Step 5: Solve for x
    x = 249,538,580.84/18,277.05
  6. Step 6: Final answer
    x = 13,653.11

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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.