Home / 18,360.45-25,337.31-9,976.95

Finding the Fourth Proportional to 18,360.45, 25,337.31 and 9,976.95

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Solution

The fourth proportional to 18,360.45, 25,337.31 and 9,976.95 is: 13,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,360.45 : 25,337.31 = 9,976.95 : x
  2. Step 2: Convert to fraction form
    18,360.45/25,337.31 = 9,976.95/x
  3. Step 3: Cross multiply
    18,360.45x = 25,337.31 × 9,976.95
  4. Step 4: Simplify right side
    18,360.45x = 252,789,075.00
  5. Step 5: Solve for x
    x = 252,789,075.00/18,360.45
  6. Step 6: Final answer
    x = 13,768.13

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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.