Home / 20,254.35-27,943.58-12,701.00

Finding the Fourth Proportional to 20,254.35, 27,943.58 and 12,701.00

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Solution

The fourth proportional to 20,254.35, 27,943.58 and 12,701.00 is: 17,522.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254.35 : 27,943.58 = 12,701.00 : x
  2. Step 2: Convert to fraction form
    20,254.35/27,943.58 = 12,701.00/x
  3. Step 3: Cross multiply
    20,254.35x = 27,943.58 × 12,701.00
  4. Step 4: Simplify right side
    20,254.35x = 354,911,511.19
  5. Step 5: Solve for x
    x = 354,911,511.19/20,254.35
  6. Step 6: Final answer
    x = 17,522.73

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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.