Home / 14,905.76-22,345.20-5,665.12

Finding the Fourth Proportional to 14,905.76, 22,345.20 and 5,665.12

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Solution

The fourth proportional to 14,905.76, 22,345.20 and 5,665.12 is: 8,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,905.76 : 22,345.20 = 5,665.12 : x
  2. Step 2: Convert to fraction form
    14,905.76/22,345.20 = 5,665.12/x
  3. Step 3: Cross multiply
    14,905.76x = 22,345.20 × 5,665.12
  4. Step 4: Simplify right side
    14,905.76x = 126,588,239.42
  5. Step 5: Solve for x
    x = 126,588,239.42/14,905.76
  6. Step 6: Final answer
    x = 8,492.57

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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.