Home / 14,972-22,457.90-3,878.66

Finding the Fourth Proportional to 14,972, 22,457.90 and 3,878.66

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Solution

The fourth proportional to 14,972, 22,457.90 and 3,878.66 is: 5,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972 : 22,457.90 = 3,878.66 : x
  2. Step 2: Convert to fraction form
    14,972/22,457.90 = 3,878.66/x
  3. Step 3: Cross multiply
    14,972x = 22,457.90 × 3,878.66
  4. Step 4: Simplify right side
    14,972x = 87,106,558.41
  5. Step 5: Solve for x
    x = 87,106,558.41/14,972
  6. Step 6: Final answer
    x = 5,817.96

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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.