Home / 15,496.24-21,386.66-9,208.64

Finding the Fourth Proportional to 15,496.24, 21,386.66 and 9,208.64

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Solution

The fourth proportional to 15,496.24, 21,386.66 and 9,208.64 is: 12,709.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,496.24 : 21,386.66 = 9,208.64 : x
  2. Step 2: Convert to fraction form
    15,496.24/21,386.66 = 9,208.64/x
  3. Step 3: Cross multiply
    15,496.24x = 21,386.66 × 9,208.64
  4. Step 4: Simplify right side
    15,496.24x = 196,942,052.74
  5. Step 5: Solve for x
    x = 196,942,052.74/15,496.24
  6. Step 6: Final answer
    x = 12,709.02

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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.