Home / 12,927.68-19,391.54-4,043.06

Finding the Fourth Proportional to 12,927.68, 19,391.54 and 4,043.06

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Solution

The fourth proportional to 12,927.68, 19,391.54 and 4,043.06 is: 6,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.68 : 19,391.54 = 4,043.06 : x
  2. Step 2: Convert to fraction form
    12,927.68/19,391.54 = 4,043.06/x
  3. Step 3: Cross multiply
    12,927.68x = 19,391.54 × 4,043.06
  4. Step 4: Simplify right side
    12,927.68x = 78,401,159.71
  5. Step 5: Solve for x
    x = 78,401,159.71/12,927.68
  6. Step 6: Final answer
    x = 6,064.60

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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.