Home / 25,604.38-38,406.57-8,075.58

Finding the Fourth Proportional to 25,604.38, 38,406.57 and 8,075.58

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Solution

The fourth proportional to 25,604.38, 38,406.57 and 8,075.58 is: 12,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,604.38 : 38,406.57 = 8,075.58 : x
  2. Step 2: Convert to fraction form
    25,604.38/38,406.57 = 8,075.58/x
  3. Step 3: Cross multiply
    25,604.38x = 38,406.57 × 8,075.58
  4. Step 4: Simplify right side
    25,604.38x = 310,155,152.32
  5. Step 5: Solve for x
    x = 310,155,152.32/25,604.38
  6. Step 6: Final answer
    x = 12,113.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.