Home / 13,650.64-20,475.96-4,888.06

Finding the Fourth Proportional to 13,650.64, 20,475.96 and 4,888.06

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Solution

The fourth proportional to 13,650.64, 20,475.96 and 4,888.06 is: 7,332.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.64 : 20,475.96 = 4,888.06 : x
  2. Step 2: Convert to fraction form
    13,650.64/20,475.96 = 4,888.06/x
  3. Step 3: Cross multiply
    13,650.64x = 20,475.96 × 4,888.06
  4. Step 4: Simplify right side
    13,650.64x = 100,087,721.04
  5. Step 5: Solve for x
    x = 100,087,721.04/13,650.64
  6. Step 6: Final answer
    x = 7,332.09

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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.