Home / 15,746.25-21,727.94-9,031.53

Finding the Fourth Proportional to 15,746.25, 21,727.94 and 9,031.53

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Solution

The fourth proportional to 15,746.25, 21,727.94 and 9,031.53 is: 12,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,746.25 : 21,727.94 = 9,031.53 : x
  2. Step 2: Convert to fraction form
    15,746.25/21,727.94 = 9,031.53/x
  3. Step 3: Cross multiply
    15,746.25x = 21,727.94 × 9,031.53
  4. Step 4: Simplify right side
    15,746.25x = 196,236,496.79
  5. Step 5: Solve for x
    x = 196,236,496.79/15,746.25
  6. Step 6: Final answer
    x = 12,462.43

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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.