Home / 20,563.16-30,860.96-10,567.51

Finding the Fourth Proportional to 20,563.16, 30,860.96 and 10,567.51

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Solution

The fourth proportional to 20,563.16, 30,860.96 and 10,567.51 is: 15,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,563.16 : 30,860.96 = 10,567.51 : x
  2. Step 2: Convert to fraction form
    20,563.16/30,860.96 = 10,567.51/x
  3. Step 3: Cross multiply
    20,563.16x = 30,860.96 × 10,567.51
  4. Step 4: Simplify right side
    20,563.16x = 326,123,373.42
  5. Step 5: Solve for x
    x = 326,123,373.42/20,563.16
  6. Step 6: Final answer
    x = 15,859.60

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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.