Home / 14,243.24-19,655.18-7,869.46

Finding the Fourth Proportional to 14,243.24, 19,655.18 and 7,869.46

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Solution

The fourth proportional to 14,243.24, 19,655.18 and 7,869.46 is: 10,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.24 : 19,655.18 = 7,869.46 : x
  2. Step 2: Convert to fraction form
    14,243.24/19,655.18 = 7,869.46/x
  3. Step 3: Cross multiply
    14,243.24x = 19,655.18 × 7,869.46
  4. Step 4: Simplify right side
    14,243.24x = 154,675,652.80
  5. Step 5: Solve for x
    x = 154,675,652.80/14,243.24
  6. Step 6: Final answer
    x = 10,859.58

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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.