Home / 13,394.73-18,484.70-7,426.25

Finding the Fourth Proportional to 13,394.73, 18,484.70 and 7,426.25

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Solution

The fourth proportional to 13,394.73, 18,484.70 and 7,426.25 is: 10,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.73 : 18,484.70 = 7,426.25 : x
  2. Step 2: Convert to fraction form
    13,394.73/18,484.70 = 7,426.25/x
  3. Step 3: Cross multiply
    13,394.73x = 18,484.70 × 7,426.25
  4. Step 4: Simplify right side
    13,394.73x = 137,271,910.95
  5. Step 5: Solve for x
    x = 137,271,910.95/13,394.73
  6. Step 6: Final answer
    x = 10,248.20

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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.