Home / 25,543.92-38,315.40-7,075.44

Finding the Fourth Proportional to 25,543.92, 38,315.40 and 7,075.44

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Solution

The fourth proportional to 25,543.92, 38,315.40 and 7,075.44 is: 10,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,543.92 : 38,315.40 = 7,075.44 : x
  2. Step 2: Convert to fraction form
    25,543.92/38,315.40 = 7,075.44/x
  3. Step 3: Cross multiply
    25,543.92x = 38,315.40 × 7,075.44
  4. Step 4: Simplify right side
    25,543.92x = 271,098,313.78
  5. Step 5: Solve for x
    x = 271,098,313.78/25,543.92
  6. Step 6: Final answer
    x = 10,613.03

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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.