Home / 16,907.81-23,342.10-12,657.34

Finding the Fourth Proportional to 16,907.81, 23,342.10 and 12,657.34

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Solution

The fourth proportional to 16,907.81, 23,342.10 and 12,657.34 is: 17,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907.81 : 23,342.10 = 12,657.34 : x
  2. Step 2: Convert to fraction form
    16,907.81/23,342.10 = 12,657.34/x
  3. Step 3: Cross multiply
    16,907.81x = 23,342.10 × 12,657.34
  4. Step 4: Simplify right side
    16,907.81x = 295,448,832.73
  5. Step 5: Solve for x
    x = 295,448,832.73/16,907.81
  6. Step 6: Final answer
    x = 17,474.10

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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.