Home / 14,505.42-21,758.01-4,117.20

Finding the Fourth Proportional to 14,505.42, 21,758.01 and 4,117.20

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Solution

The fourth proportional to 14,505.42, 21,758.01 and 4,117.20 is: 6,175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.42 : 21,758.01 = 4,117.20 : x
  2. Step 2: Convert to fraction form
    14,505.42/21,758.01 = 4,117.20/x
  3. Step 3: Cross multiply
    14,505.42x = 21,758.01 × 4,117.20
  4. Step 4: Simplify right side
    14,505.42x = 89,582,078.77
  5. Step 5: Solve for x
    x = 89,582,078.77/14,505.42
  6. Step 6: Final answer
    x = 6,175.77

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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.