Home / 20,057.42-30,075.73-8,808.14

Finding the Fourth Proportional to 20,057.42, 30,075.73 and 8,808.14

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Solution

The fourth proportional to 20,057.42, 30,075.73 and 8,808.14 is: 13,207.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.42 : 30,075.73 = 8,808.14 : x
  2. Step 2: Convert to fraction form
    20,057.42/30,075.73 = 8,808.14/x
  3. Step 3: Cross multiply
    20,057.42x = 30,075.73 × 8,808.14
  4. Step 4: Simplify right side
    20,057.42x = 264,911,196.40
  5. Step 5: Solve for x
    x = 264,911,196.40/20,057.42
  6. Step 6: Final answer
    x = 13,207.64

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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.