Home / 15,671.08-23,507.58-4,999.72

Finding the Fourth Proportional to 15,671.08, 23,507.58 and 4,999.72

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Solution

The fourth proportional to 15,671.08, 23,507.58 and 4,999.72 is: 7,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,671.08 : 23,507.58 = 4,999.72 : x
  2. Step 2: Convert to fraction form
    15,671.08/23,507.58 = 4,999.72/x
  3. Step 3: Cross multiply
    15,671.08x = 23,507.58 × 4,999.72
  4. Step 4: Simplify right side
    15,671.08x = 117,531,317.88
  5. Step 5: Solve for x
    x = 117,531,317.88/15,671.08
  6. Step 6: Final answer
    x = 7,499.89

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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.