Home / 14,149.14-19,526.64-7,861.46

Finding the Fourth Proportional to 14,149.14, 19,526.64 and 7,861.46

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Solution

The fourth proportional to 14,149.14, 19,526.64 and 7,861.46 is: 10,849.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.14 : 19,526.64 = 7,861.46 : x
  2. Step 2: Convert to fraction form
    14,149.14/19,526.64 = 7,861.46/x
  3. Step 3: Cross multiply
    14,149.14x = 19,526.64 × 7,861.46
  4. Step 4: Simplify right side
    14,149.14x = 153,507,899.29
  5. Step 5: Solve for x
    x = 153,507,899.29/14,149.14
  6. Step 6: Final answer
    x = 10,849.27

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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.