Home / 13,659.57-20,473.43-6,264.81

Finding the Fourth Proportional to 13,659.57, 20,473.43 and 6,264.81

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Solution

The fourth proportional to 13,659.57, 20,473.43 and 6,264.81 is: 9,389.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659.57 : 20,473.43 = 6,264.81 : x
  2. Step 2: Convert to fraction form
    13,659.57/20,473.43 = 6,264.81/x
  3. Step 3: Cross multiply
    13,659.57x = 20,473.43 × 6,264.81
  4. Step 4: Simplify right side
    13,659.57x = 128,262,117.67
  5. Step 5: Solve for x
    x = 128,262,117.67/13,659.57
  6. Step 6: Final answer
    x = 9,389.91

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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.