Home / 14,949.61-20,630.36-8,235.08

Finding the Fourth Proportional to 14,949.61, 20,630.36 and 8,235.08

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Solution

The fourth proportional to 14,949.61, 20,630.36 and 8,235.08 is: 11,364.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949.61 : 20,630.36 = 8,235.08 : x
  2. Step 2: Convert to fraction form
    14,949.61/20,630.36 = 8,235.08/x
  3. Step 3: Cross multiply
    14,949.61x = 20,630.36 × 8,235.08
  4. Step 4: Simplify right side
    14,949.61x = 169,892,659.83
  5. Step 5: Solve for x
    x = 169,892,659.83/14,949.61
  6. Step 6: Final answer
    x = 11,364.36

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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.