Home / 14,652.72-21,980.16-5,298.30

Finding the Fourth Proportional to 14,652.72, 21,980.16 and 5,298.30

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Solution

The fourth proportional to 14,652.72, 21,980.16 and 5,298.30 is: 7,947.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.72 : 21,980.16 = 5,298.30 : x
  2. Step 2: Convert to fraction form
    14,652.72/21,980.16 = 5,298.30/x
  3. Step 3: Cross multiply
    14,652.72x = 21,980.16 × 5,298.30
  4. Step 4: Simplify right side
    14,652.72x = 116,457,481.73
  5. Step 5: Solve for x
    x = 116,457,481.73/14,652.72
  6. Step 6: Final answer
    x = 7,947.84

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1.5x scale

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.