Home / 23,206.40-34,809.60-18,832.40

Finding the Fourth Proportional to 23,206.40, 34,809.60 and 18,832.40

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Solution

The fourth proportional to 23,206.40, 34,809.60 and 18,832.40 is: 28,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,206.40 : 34,809.60 = 18,832.40 : x
  2. Step 2: Convert to fraction form
    23,206.40/34,809.60 = 18,832.40/x
  3. Step 3: Cross multiply
    23,206.40x = 34,809.60 × 18,832.40
  4. Step 4: Simplify right side
    23,206.40x = 655,548,311.04
  5. Step 5: Solve for x
    x = 655,548,311.04/23,206.40
  6. Step 6: Final answer
    x = 28,248.60

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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.