Home / 14,645.54-20,210.84-9,343.42

Finding the Fourth Proportional to 14,645.54, 20,210.84 and 9,343.42

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Solution

The fourth proportional to 14,645.54, 20,210.84 and 9,343.42 is: 12,893.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.54 : 20,210.84 = 9,343.42 : x
  2. Step 2: Convert to fraction form
    14,645.54/20,210.84 = 9,343.42/x
  3. Step 3: Cross multiply
    14,645.54x = 20,210.84 × 9,343.42
  4. Step 4: Simplify right side
    14,645.54x = 188,838,366.67
  5. Step 5: Solve for x
    x = 188,838,366.67/14,645.54
  6. Step 6: Final answer
    x = 12,893.92

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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.