Home / 16,975.15-23,425.36-9,421.43

Finding the Fourth Proportional to 16,975.15, 23,425.36 and 9,421.43

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Solution

The fourth proportional to 16,975.15, 23,425.36 and 9,421.43 is: 13,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,975.15 : 23,425.36 = 9,421.43 : x
  2. Step 2: Convert to fraction form
    16,975.15/23,425.36 = 9,421.43/x
  3. Step 3: Cross multiply
    16,975.15x = 23,425.36 × 9,421.43
  4. Step 4: Simplify right side
    16,975.15x = 220,700,248.78
  5. Step 5: Solve for x
    x = 220,700,248.78/16,975.15
  6. Step 6: Final answer
    x = 13,001.37

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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.