Home / 16,680.13-23,018.23-9,126.45

Finding the Fourth Proportional to 16,680.13, 23,018.23 and 9,126.45

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Solution

The fourth proportional to 16,680.13, 23,018.23 and 9,126.45 is: 12,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.13 : 23,018.23 = 9,126.45 : x
  2. Step 2: Convert to fraction form
    16,680.13/23,018.23 = 9,126.45/x
  3. Step 3: Cross multiply
    16,680.13x = 23,018.23 × 9,126.45
  4. Step 4: Simplify right side
    16,680.13x = 210,074,725.18
  5. Step 5: Solve for x
    x = 210,074,725.18/16,680.13
  6. Step 6: Final answer
    x = 12,594.31

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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.