Home / 14,534.29-21,771.06-8,687.71

Finding the Fourth Proportional to 14,534.29, 21,771.06 and 8,687.71

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Solution

The fourth proportional to 14,534.29, 21,771.06 and 8,687.71 is: 13,013.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,534.29 : 21,771.06 = 8,687.71 : x
  2. Step 2: Convert to fraction form
    14,534.29/21,771.06 = 8,687.71/x
  3. Step 3: Cross multiply
    14,534.29x = 21,771.06 × 8,687.71
  4. Step 4: Simplify right side
    14,534.29x = 189,140,655.67
  5. Step 5: Solve for x
    x = 189,140,655.67/14,534.29
  6. Step 6: Final answer
    x = 13,013.41

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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.