Home / 14,455.42-21,648.48-7,416.91

Finding the Fourth Proportional to 14,455.42, 21,648.48 and 7,416.91

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Solution

The fourth proportional to 14,455.42, 21,648.48 and 7,416.91 is: 11,107.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.42 : 21,648.48 = 7,416.91 : x
  2. Step 2: Convert to fraction form
    14,455.42/21,648.48 = 7,416.91/x
  3. Step 3: Cross multiply
    14,455.42x = 21,648.48 × 7,416.91
  4. Step 4: Simplify right side
    14,455.42x = 160,564,827.80
  5. Step 5: Solve for x
    x = 160,564,827.80/14,455.42
  6. Step 6: Final answer
    x = 11,107.59

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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.