Home / 20,594.34-28,419.88-11,641.53

Finding the Fourth Proportional to 20,594.34, 28,419.88 and 11,641.53

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Solution

The fourth proportional to 20,594.34, 28,419.88 and 11,641.53 is: 16,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594.34 : 28,419.88 = 11,641.53 : x
  2. Step 2: Convert to fraction form
    20,594.34/28,419.88 = 11,641.53/x
  3. Step 3: Cross multiply
    20,594.34x = 28,419.88 × 11,641.53
  4. Step 4: Simplify right side
    20,594.34x = 330,850,885.62
  5. Step 5: Solve for x
    x = 330,850,885.62/20,594.34
  6. Step 6: Final answer
    x = 16,065.14

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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.