Home / 14,841.48-20,485.80-8,558.04

Finding the Fourth Proportional to 14,841.48, 20,485.80 and 8,558.04

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Solution

The fourth proportional to 14,841.48, 20,485.80 and 8,558.04 is: 11,812.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,841.48 : 20,485.80 = 8,558.04 : x
  2. Step 2: Convert to fraction form
    14,841.48/20,485.80 = 8,558.04/x
  3. Step 3: Cross multiply
    14,841.48x = 20,485.80 × 8,558.04
  4. Step 4: Simplify right side
    14,841.48x = 175,318,295.83
  5. Step 5: Solve for x
    x = 175,318,295.83/14,841.48
  6. Step 6: Final answer
    x = 11,812.72

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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.