Home / 14,529.60-21,784.50-7,506.72

Finding the Fourth Proportional to 14,529.60, 21,784.50 and 7,506.72

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Solution

The fourth proportional to 14,529.60, 21,784.50 and 7,506.72 is: 11,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.60 : 21,784.50 = 7,506.72 : x
  2. Step 2: Convert to fraction form
    14,529.60/21,784.50 = 7,506.72/x
  3. Step 3: Cross multiply
    14,529.60x = 21,784.50 × 7,506.72
  4. Step 4: Simplify right side
    14,529.60x = 163,530,141.84
  5. Step 5: Solve for x
    x = 163,530,141.84/14,529.60
  6. Step 6: Final answer
    x = 11,254.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.