Home / 16,878.04-25,332.95-8,564.02

Finding the Fourth Proportional to 16,878.04, 25,332.95 and 8,564.02

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Solution

The fourth proportional to 16,878.04, 25,332.95 and 8,564.02 is: 12,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.04 : 25,332.95 = 8,564.02 : x
  2. Step 2: Convert to fraction form
    16,878.04/25,332.95 = 8,564.02/x
  3. Step 3: Cross multiply
    16,878.04x = 25,332.95 × 8,564.02
  4. Step 4: Simplify right side
    16,878.04x = 216,951,978.99
  5. Step 5: Solve for x
    x = 216,951,978.99/16,878.04
  6. Step 6: Final answer
    x = 12,854.10

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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.