Home / 21,924.58-30,256.25-12,492.94

Finding the Fourth Proportional to 21,924.58, 30,256.25 and 12,492.94

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Solution

The fourth proportional to 21,924.58, 30,256.25 and 12,492.94 is: 17,240.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.58 : 30,256.25 = 12,492.94 : x
  2. Step 2: Convert to fraction form
    21,924.58/30,256.25 = 12,492.94/x
  3. Step 3: Cross multiply
    21,924.58x = 30,256.25 × 12,492.94
  4. Step 4: Simplify right side
    21,924.58x = 377,989,515.88
  5. Step 5: Solve for x
    x = 377,989,515.88/21,924.58
  6. Step 6: Final answer
    x = 17,240.45

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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.