Home / 13,752.78-20,618.24-5,956.13

Finding the Fourth Proportional to 13,752.78, 20,618.24 and 5,956.13

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Solution

The fourth proportional to 13,752.78, 20,618.24 and 5,956.13 is: 8,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.78 : 20,618.24 = 5,956.13 : x
  2. Step 2: Convert to fraction form
    13,752.78/20,618.24 = 5,956.13/x
  3. Step 3: Cross multiply
    13,752.78x = 20,618.24 × 5,956.13
  4. Step 4: Simplify right side
    13,752.78x = 122,804,784.94
  5. Step 5: Solve for x
    x = 122,804,784.94/13,752.78
  6. Step 6: Final answer
    x = 8,929.45

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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.