Home / 16,899.04-23,321.55-9,730.02

Finding the Fourth Proportional to 16,899.04, 23,321.55 and 9,730.02

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Solution

The fourth proportional to 16,899.04, 23,321.55 and 9,730.02 is: 13,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.04 : 23,321.55 = 9,730.02 : x
  2. Step 2: Convert to fraction form
    16,899.04/23,321.55 = 9,730.02/x
  3. Step 3: Cross multiply
    16,899.04x = 23,321.55 × 9,730.02
  4. Step 4: Simplify right side
    16,899.04x = 226,919,147.93
  5. Step 5: Solve for x
    x = 226,919,147.93/16,899.04
  6. Step 6: Final answer
    x = 13,427.93

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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.