Home / 14,952.31-20,633.69-8,237.91

Finding the Fourth Proportional to 14,952.31, 20,633.69 and 8,237.91

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Solution

The fourth proportional to 14,952.31, 20,633.69 and 8,237.91 is: 11,368.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,952.31 : 20,633.69 = 8,237.91 : x
  2. Step 2: Convert to fraction form
    14,952.31/20,633.69 = 8,237.91/x
  3. Step 3: Cross multiply
    14,952.31x = 20,633.69 × 8,237.91
  4. Step 4: Simplify right side
    14,952.31x = 169,978,501.78
  5. Step 5: Solve for x
    x = 169,978,501.78/14,952.31
  6. Step 6: Final answer
    x = 11,368.04

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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.