Home / 13,784.50-19,022.70-7,496.92

Finding the Fourth Proportional to 13,784.50, 19,022.70 and 7,496.92

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Solution

The fourth proportional to 13,784.50, 19,022.70 and 7,496.92 is: 10,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.50 : 19,022.70 = 7,496.92 : x
  2. Step 2: Convert to fraction form
    13,784.50/19,022.70 = 7,496.92/x
  3. Step 3: Cross multiply
    13,784.50x = 19,022.70 × 7,496.92
  4. Step 4: Simplify right side
    13,784.50x = 142,611,660.08
  5. Step 5: Solve for x
    x = 142,611,660.08/13,784.50
  6. Step 6: Final answer
    x = 10,345.80

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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.