Home / 18,142.54-25,036.23-10,075.95

Finding the Fourth Proportional to 18,142.54, 25,036.23 and 10,075.95

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Solution

The fourth proportional to 18,142.54, 25,036.23 and 10,075.95 is: 13,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.54 : 25,036.23 = 10,075.95 : x
  2. Step 2: Convert to fraction form
    18,142.54/25,036.23 = 10,075.95/x
  3. Step 3: Cross multiply
    18,142.54x = 25,036.23 × 10,075.95
  4. Step 4: Simplify right side
    18,142.54x = 252,263,801.67
  5. Step 5: Solve for x
    x = 252,263,801.67/18,142.54
  6. Step 6: Final answer
    x = 13,904.55

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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.