Home / 14,663.78-21,995.60-3,570.43

Finding the Fourth Proportional to 14,663.78, 21,995.60 and 3,570.43

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Solution

The fourth proportional to 14,663.78, 21,995.60 and 3,570.43 is: 5,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.78 : 21,995.60 = 3,570.43 : x
  2. Step 2: Convert to fraction form
    14,663.78/21,995.60 = 3,570.43/x
  3. Step 3: Cross multiply
    14,663.78x = 21,995.60 × 3,570.43
  4. Step 4: Simplify right side
    14,663.78x = 78,533,750.11
  5. Step 5: Solve for x
    x = 78,533,750.11/14,663.78
  6. Step 6: Final answer
    x = 5,355.63

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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.