Home / 19,313.61-26,660.94-12,604.98

Finding the Fourth Proportional to 19,313.61, 26,660.94 and 12,604.98

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Solution

The fourth proportional to 19,313.61, 26,660.94 and 12,604.98 is: 17,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313.61 : 26,660.94 = 12,604.98 : x
  2. Step 2: Convert to fraction form
    19,313.61/26,660.94 = 12,604.98/x
  3. Step 3: Cross multiply
    19,313.61x = 26,660.94 × 12,604.98
  4. Step 4: Simplify right side
    19,313.61x = 336,060,615.48
  5. Step 5: Solve for x
    x = 336,060,615.48/19,313.61
  6. Step 6: Final answer
    x = 17,400.20

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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.