Home / 19,869.41-29,812.28-9,474.53

Finding the Fourth Proportional to 19,869.41, 29,812.28 and 9,474.53

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Solution

The fourth proportional to 19,869.41, 29,812.28 and 9,474.53 is: 14,215.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869.41 : 29,812.28 = 9,474.53 : x
  2. Step 2: Convert to fraction form
    19,869.41/29,812.28 = 9,474.53/x
  3. Step 3: Cross multiply
    19,869.41x = 29,812.28 × 9,474.53
  4. Step 4: Simplify right side
    19,869.41x = 282,457,341.23
  5. Step 5: Solve for x
    x = 282,457,341.23/19,869.41
  6. Step 6: Final answer
    x = 14,215.69

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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.