Home / 14,125.58-19,493.28-7,752.21

Finding the Fourth Proportional to 14,125.58, 19,493.28 and 7,752.21

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Solution

The fourth proportional to 14,125.58, 19,493.28 and 7,752.21 is: 10,698.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.58 : 19,493.28 = 7,752.21 : x
  2. Step 2: Convert to fraction form
    14,125.58/19,493.28 = 7,752.21/x
  3. Step 3: Cross multiply
    14,125.58x = 19,493.28 × 7,752.21
  4. Step 4: Simplify right side
    14,125.58x = 151,116,000.15
  5. Step 5: Solve for x
    x = 151,116,000.15/14,125.58
  6. Step 6: Final answer
    x = 10,698.04

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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.