Home / 21,924.16-30,256.16-12,492.48

Finding the Fourth Proportional to 21,924.16, 30,256.16 and 12,492.48

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Solution

The fourth proportional to 21,924.16, 30,256.16 and 12,492.48 is: 17,240.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.16 : 30,256.16 = 12,492.48 : x
  2. Step 2: Convert to fraction form
    21,924.16/30,256.16 = 12,492.48/x
  3. Step 3: Cross multiply
    21,924.16x = 30,256.16 × 12,492.48
  4. Step 4: Simplify right side
    21,924.16x = 377,974,473.68
  5. Step 5: Solve for x
    x = 377,974,473.68/21,924.16
  6. Step 6: Final answer
    x = 17,240.09

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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.