Home / 14,738.16-20,317.84-10,539.12

Finding the Fourth Proportional to 14,738.16, 20,317.84 and 10,539.12

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Solution

The fourth proportional to 14,738.16, 20,317.84 and 10,539.12 is: 14,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.16 : 20,317.84 = 10,539.12 : x
  2. Step 2: Convert to fraction form
    14,738.16/20,317.84 = 10,539.12/x
  3. Step 3: Cross multiply
    14,738.16x = 20,317.84 × 10,539.12
  4. Step 4: Simplify right side
    14,738.16x = 214,132,153.90
  5. Step 5: Solve for x
    x = 214,132,153.90/14,738.16
  6. Step 6: Final answer
    x = 14,529.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.