Home / 20,101.48-30,135.66-9,567.32

Finding the Fourth Proportional to 20,101.48, 30,135.66 and 9,567.32

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Solution

The fourth proportional to 20,101.48, 30,135.66 and 9,567.32 is: 14,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101.48 : 30,135.66 = 9,567.32 : x
  2. Step 2: Convert to fraction form
    20,101.48/30,135.66 = 9,567.32/x
  3. Step 3: Cross multiply
    20,101.48x = 30,135.66 × 9,567.32
  4. Step 4: Simplify right side
    20,101.48x = 288,317,502.63
  5. Step 5: Solve for x
    x = 288,317,502.63/20,101.48
  6. Step 6: Final answer
    x = 14,343.10

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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.