Home / 21,925.08-30,260.18-16,297.20

Finding the Fourth Proportional to 21,925.08, 30,260.18 and 16,297.20

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Solution

The fourth proportional to 21,925.08, 30,260.18 and 16,297.20 is: 22,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,925.08 : 30,260.18 = 16,297.20 : x
  2. Step 2: Convert to fraction form
    21,925.08/30,260.18 = 16,297.20/x
  3. Step 3: Cross multiply
    21,925.08x = 30,260.18 × 16,297.20
  4. Step 4: Simplify right side
    21,925.08x = 493,156,246.24
  5. Step 5: Solve for x
    x = 493,156,246.24/21,925.08
  6. Step 6: Final answer
    x = 22,492.79

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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.