Home / 14,724.08-20,327.61-9,702.89

Finding the Fourth Proportional to 14,724.08, 20,327.61 and 9,702.89

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Solution

The fourth proportional to 14,724.08, 20,327.61 and 9,702.89 is: 13,395.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,724.08 : 20,327.61 = 9,702.89 : x
  2. Step 2: Convert to fraction form
    14,724.08/20,327.61 = 9,702.89/x
  3. Step 3: Cross multiply
    14,724.08x = 20,327.61 × 9,702.89
  4. Step 4: Simplify right side
    14,724.08x = 197,236,563.79
  5. Step 5: Solve for x
    x = 197,236,563.79/14,724.08
  6. Step 6: Final answer
    x = 13,395.51

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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.