Home / 16,931.80-25,389.03-7,068.43

Finding the Fourth Proportional to 16,931.80, 25,389.03 and 7,068.43

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Solution

The fourth proportional to 16,931.80, 25,389.03 and 7,068.43 is: 10,599.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.80 : 25,389.03 = 7,068.43 : x
  2. Step 2: Convert to fraction form
    16,931.80/25,389.03 = 7,068.43/x
  3. Step 3: Cross multiply
    16,931.80x = 25,389.03 × 7,068.43
  4. Step 4: Simplify right side
    16,931.80x = 179,460,581.32
  5. Step 5: Solve for x
    x = 179,460,581.32/16,931.80
  6. Step 6: Final answer
    x = 10,599.03

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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.