Home / 14,410.42-21,618.18-6,620.02

Finding the Fourth Proportional to 14,410.42, 21,618.18 and 6,620.02

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Solution

The fourth proportional to 14,410.42, 21,618.18 and 6,620.02 is: 9,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,410.42 : 21,618.18 = 6,620.02 : x
  2. Step 2: Convert to fraction form
    14,410.42/21,618.18 = 6,620.02/x
  3. Step 3: Cross multiply
    14,410.42x = 21,618.18 × 6,620.02
  4. Step 4: Simplify right side
    14,410.42x = 143,112,783.96
  5. Step 5: Solve for x
    x = 143,112,783.96/14,410.42
  6. Step 6: Final answer
    x = 9,931.20

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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.