Home / 16,971.68-25,457.49-9,572.78

Finding the Fourth Proportional to 16,971.68, 25,457.49 and 9,572.78

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Solution

The fourth proportional to 16,971.68, 25,457.49 and 9,572.78 is: 14,359.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.68 : 25,457.49 = 9,572.78 : x
  2. Step 2: Convert to fraction form
    16,971.68/25,457.49 = 9,572.78/x
  3. Step 3: Cross multiply
    16,971.68x = 25,457.49 × 9,572.78
  4. Step 4: Simplify right side
    16,971.68x = 243,698,823.83
  5. Step 5: Solve for x
    x = 243,698,823.83/16,971.68
  6. Step 6: Final answer
    x = 14,359.15

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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.