Home / 17,927.15-26,886.15-12,711.15

Finding the Fourth Proportional to 17,927.15, 26,886.15 and 12,711.15

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Solution

The fourth proportional to 17,927.15, 26,886.15 and 12,711.15 is: 19,063.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,927.15 : 26,886.15 = 12,711.15 : x
  2. Step 2: Convert to fraction form
    17,927.15/26,886.15 = 12,711.15/x
  3. Step 3: Cross multiply
    17,927.15x = 26,886.15 × 12,711.15
  4. Step 4: Simplify right side
    17,927.15x = 341,753,885.57
  5. Step 5: Solve for x
    x = 341,753,885.57/17,927.15
  6. Step 6: Final answer
    x = 19,063.49

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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.