Home / 13,110.40-18,092.73-7,444.95

Finding the Fourth Proportional to 13,110.40, 18,092.73 and 7,444.95

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Solution

The fourth proportional to 13,110.40, 18,092.73 and 7,444.95 is: 10,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.40 : 18,092.73 = 7,444.95 : x
  2. Step 2: Convert to fraction form
    13,110.40/18,092.73 = 7,444.95/x
  3. Step 3: Cross multiply
    13,110.40x = 18,092.73 × 7,444.95
  4. Step 4: Simplify right side
    13,110.40x = 134,699,470.21
  5. Step 5: Solve for x
    x = 134,699,470.21/13,110.40
  6. Step 6: Final answer
    x = 10,274.25

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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.