Home / 14,712.24-20,303.02-7,997.88

Finding the Fourth Proportional to 14,712.24, 20,303.02 and 7,997.88

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Solution

The fourth proportional to 14,712.24, 20,303.02 and 7,997.88 is: 11,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.24 : 20,303.02 = 7,997.88 : x
  2. Step 2: Convert to fraction form
    14,712.24/20,303.02 = 7,997.88/x
  3. Step 3: Cross multiply
    14,712.24x = 20,303.02 × 7,997.88
  4. Step 4: Simplify right side
    14,712.24x = 162,381,066.84
  5. Step 5: Solve for x
    x = 162,381,066.84/14,712.24
  6. Step 6: Final answer
    x = 11,037.14

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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.