Home / 19,602.50-27,044.34-12,891.74

Finding the Fourth Proportional to 19,602.50, 27,044.34 and 12,891.74

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Solution

The fourth proportional to 19,602.50, 27,044.34 and 12,891.74 is: 17,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602.50 : 27,044.34 = 12,891.74 : x
  2. Step 2: Convert to fraction form
    19,602.50/27,044.34 = 12,891.74/x
  3. Step 3: Cross multiply
    19,602.50x = 27,044.34 × 12,891.74
  4. Step 4: Simplify right side
    19,602.50x = 348,648,599.75
  5. Step 5: Solve for x
    x = 348,648,599.75/19,602.50
  6. Step 6: Final answer
    x = 17,785.93

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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.