Home / 18,075.10-24,942.48-10,115.98

Finding the Fourth Proportional to 18,075.10, 24,942.48 and 10,115.98

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Solution

The fourth proportional to 18,075.10, 24,942.48 and 10,115.98 is: 13,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.10 : 24,942.48 = 10,115.98 : x
  2. Step 2: Convert to fraction form
    18,075.10/24,942.48 = 10,115.98/x
  3. Step 3: Cross multiply
    18,075.10x = 24,942.48 × 10,115.98
  4. Step 4: Simplify right side
    18,075.10x = 252,317,628.83
  5. Step 5: Solve for x
    x = 252,317,628.83/18,075.10
  6. Step 6: Final answer
    x = 13,959.40

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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.