Home / 20,567.04-28,380.96-11,613.30

Finding the Fourth Proportional to 20,567.04, 28,380.96 and 11,613.30

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Solution

The fourth proportional to 20,567.04, 28,380.96 and 11,613.30 is: 16,025.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567.04 : 28,380.96 = 11,613.30 : x
  2. Step 2: Convert to fraction form
    20,567.04/28,380.96 = 11,613.30/x
  3. Step 3: Cross multiply
    20,567.04x = 28,380.96 × 11,613.30
  4. Step 4: Simplify right side
    20,567.04x = 329,596,602.77
  5. Step 5: Solve for x
    x = 329,596,602.77/20,567.04
  6. Step 6: Final answer
    x = 16,025.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.