Home / 19,434.54-29,145.66-12,895.50

Finding the Fourth Proportional to 19,434.54, 29,145.66 and 12,895.50

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Solution

The fourth proportional to 19,434.54, 29,145.66 and 12,895.50 is: 19,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.54 : 29,145.66 = 12,895.50 : x
  2. Step 2: Convert to fraction form
    19,434.54/29,145.66 = 12,895.50/x
  3. Step 3: Cross multiply
    19,434.54x = 29,145.66 × 12,895.50
  4. Step 4: Simplify right side
    19,434.54x = 375,847,858.53
  5. Step 5: Solve for x
    x = 375,847,858.53/19,434.54
  6. Step 6: Final answer
    x = 19,339.17

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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.