Home / 14,724.58-20,328.30-9,703.39

Finding the Fourth Proportional to 14,724.58, 20,328.30 and 9,703.39

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Solution

The fourth proportional to 14,724.58, 20,328.30 and 9,703.39 is: 13,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,724.58 : 20,328.30 = 9,703.39 : x
  2. Step 2: Convert to fraction form
    14,724.58/20,328.30 = 9,703.39/x
  3. Step 3: Cross multiply
    14,724.58x = 20,328.30 × 9,703.39
  4. Step 4: Simplify right side
    14,724.58x = 197,253,422.94
  5. Step 5: Solve for x
    x = 197,253,422.94/14,724.58
  6. Step 6: Final answer
    x = 13,396.20

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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.