Home / 19,716.87-29,575.14-4,925.70

Finding the Fourth Proportional to 19,716.87, 29,575.14 and 4,925.70

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Solution

The fourth proportional to 19,716.87, 29,575.14 and 4,925.70 is: 7,388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716.87 : 29,575.14 = 4,925.70 : x
  2. Step 2: Convert to fraction form
    19,716.87/29,575.14 = 4,925.70/x
  3. Step 3: Cross multiply
    19,716.87x = 29,575.14 × 4,925.70
  4. Step 4: Simplify right side
    19,716.87x = 145,678,267.10
  5. Step 5: Solve for x
    x = 145,678,267.10/19,716.87
  6. Step 6: Final answer
    x = 7,388.51

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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.