Home / 19,384.90-29,052.56-16,875.78

Finding the Fourth Proportional to 19,384.90, 29,052.56 and 16,875.78

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Solution

The fourth proportional to 19,384.90, 29,052.56 and 16,875.78 is: 25,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.90 : 29,052.56 = 16,875.78 : x
  2. Step 2: Convert to fraction form
    19,384.90/29,052.56 = 16,875.78/x
  3. Step 3: Cross multiply
    19,384.90x = 29,052.56 × 16,875.78
  4. Step 4: Simplify right side
    19,384.90x = 490,284,611.00
  5. Step 5: Solve for x
    x = 490,284,611.00/19,384.90
  6. Step 6: Final answer
    x = 25,292.09

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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.