Home / 14,572.08-21,837.78-12,812.76

Finding the Fourth Proportional to 14,572.08, 21,837.78 and 12,812.76

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Solution

The fourth proportional to 14,572.08, 21,837.78 and 12,812.76 is: 19,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572.08 : 21,837.78 = 12,812.76 : x
  2. Step 2: Convert to fraction form
    14,572.08/21,837.78 = 12,812.76/x
  3. Step 3: Cross multiply
    14,572.08x = 21,837.78 × 12,812.76
  4. Step 4: Simplify right side
    14,572.08x = 279,802,234.07
  5. Step 5: Solve for x
    x = 279,802,234.07/14,572.08
  6. Step 6: Final answer
    x = 19,201.26

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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.