Home / 14,730.80-20,330.88-9,068.96

Finding the Fourth Proportional to 14,730.80, 20,330.88 and 9,068.96

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Solution

The fourth proportional to 14,730.80, 20,330.88 and 9,068.96 is: 12,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,730.80 : 20,330.88 = 9,068.96 : x
  2. Step 2: Convert to fraction form
    14,730.80/20,330.88 = 9,068.96/x
  3. Step 3: Cross multiply
    14,730.80x = 20,330.88 × 9,068.96
  4. Step 4: Simplify right side
    14,730.80x = 184,379,937.48
  5. Step 5: Solve for x
    x = 184,379,937.48/14,730.80
  6. Step 6: Final answer
    x = 12,516.63

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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.