Home / 16,878.86-25,319.13-7,017.10

Finding the Fourth Proportional to 16,878.86, 25,319.13 and 7,017.10

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Solution

The fourth proportional to 16,878.86, 25,319.13 and 7,017.10 is: 10,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.86 : 25,319.13 = 7,017.10 : x
  2. Step 2: Convert to fraction form
    16,878.86/25,319.13 = 7,017.10/x
  3. Step 3: Cross multiply
    16,878.86x = 25,319.13 × 7,017.10
  4. Step 4: Simplify right side
    16,878.86x = 177,666,867.12
  5. Step 5: Solve for x
    x = 177,666,867.12/16,878.86
  6. Step 6: Final answer
    x = 10,526.00

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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.