Home / 16,173.90-22,310.10-9,875.34

Finding the Fourth Proportional to 16,173.90, 22,310.10 and 9,875.34

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Solution

The fourth proportional to 16,173.90, 22,310.10 and 9,875.34 is: 13,621.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,173.90 : 22,310.10 = 9,875.34 : x
  2. Step 2: Convert to fraction form
    16,173.90/22,310.10 = 9,875.34/x
  3. Step 3: Cross multiply
    16,173.90x = 22,310.10 × 9,875.34
  4. Step 4: Simplify right side
    16,173.90x = 220,319,822.93
  5. Step 5: Solve for x
    x = 220,319,822.93/16,173.90
  6. Step 6: Final answer
    x = 13,621.94

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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.