Home / 21,492.61-32,234.64-10,816.12

Finding the Fourth Proportional to 21,492.61, 32,234.64 and 10,816.12

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Solution

The fourth proportional to 21,492.61, 32,234.64 and 10,816.12 is: 16,222.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,492.61 : 32,234.64 = 10,816.12 : x
  2. Step 2: Convert to fraction form
    21,492.61/32,234.64 = 10,816.12/x
  3. Step 3: Cross multiply
    21,492.61x = 32,234.64 × 10,816.12
  4. Step 4: Simplify right side
    21,492.61x = 348,653,552.81
  5. Step 5: Solve for x
    x = 348,653,552.81/21,492.61
  6. Step 6: Final answer
    x = 16,222.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.