Home / 16,878.93-23,293.68-9,325.28

Finding the Fourth Proportional to 16,878.93, 23,293.68 and 9,325.28

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Solution

The fourth proportional to 16,878.93, 23,293.68 and 9,325.28 is: 12,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.93 : 23,293.68 = 9,325.28 : x
  2. Step 2: Convert to fraction form
    16,878.93/23,293.68 = 9,325.28/x
  3. Step 3: Cross multiply
    16,878.93x = 23,293.68 × 9,325.28
  4. Step 4: Simplify right side
    16,878.93x = 217,219,980.47
  5. Step 5: Solve for x
    x = 217,219,980.47/16,878.93
  6. Step 6: Final answer
    x = 12,869.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.