Home / 20,232.40-30,348.60-11,484.40

Finding the Fourth Proportional to 20,232.40, 30,348.60 and 11,484.40

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Solution

The fourth proportional to 20,232.40, 30,348.60 and 11,484.40 is: 17,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.40 : 30,348.60 = 11,484.40 : x
  2. Step 2: Convert to fraction form
    20,232.40/30,348.60 = 11,484.40/x
  3. Step 3: Cross multiply
    20,232.40x = 30,348.60 × 11,484.40
  4. Step 4: Simplify right side
    20,232.40x = 348,535,461.84
  5. Step 5: Solve for x
    x = 348,535,461.84/20,232.40
  6. Step 6: Final answer
    x = 17,226.60

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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.