Home / 16,427.16-22,661.35-9,709.54

Finding the Fourth Proportional to 16,427.16, 22,661.35 and 9,709.54

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Solution

The fourth proportional to 16,427.16, 22,661.35 and 9,709.54 is: 13,394.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,427.16 : 22,661.35 = 9,709.54 : x
  2. Step 2: Convert to fraction form
    16,427.16/22,661.35 = 9,709.54/x
  3. Step 3: Cross multiply
    16,427.16x = 22,661.35 × 9,709.54
  4. Step 4: Simplify right side
    16,427.16x = 220,031,284.28
  5. Step 5: Solve for x
    x = 220,031,284.28/16,427.16
  6. Step 6: Final answer
    x = 13,394.36

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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.