Home / 20,346.85-30,567.18-19,506.11

Finding the Fourth Proportional to 20,346.85, 30,567.18 and 19,506.11

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Solution

The fourth proportional to 20,346.85, 30,567.18 and 19,506.11 is: 29,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,346.85 : 30,567.18 = 19,506.11 : x
  2. Step 2: Convert to fraction form
    20,346.85/30,567.18 = 19,506.11/x
  3. Step 3: Cross multiply
    20,346.85x = 30,567.18 × 19,506.11
  4. Step 4: Simplify right side
    20,346.85x = 596,246,851.89
  5. Step 5: Solve for x
    x = 596,246,851.89/20,346.85
  6. Step 6: Final answer
    x = 29,304.13

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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.