Home / 13,295.91-18,347.68-7,326.61

Finding the Fourth Proportional to 13,295.91, 18,347.68 and 7,326.61

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Solution

The fourth proportional to 13,295.91, 18,347.68 and 7,326.61 is: 10,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.91 : 18,347.68 = 7,326.61 : x
  2. Step 2: Convert to fraction form
    13,295.91/18,347.68 = 7,326.61/x
  3. Step 3: Cross multiply
    13,295.91x = 18,347.68 × 7,326.61
  4. Step 4: Simplify right side
    13,295.91x = 134,426,295.76
  5. Step 5: Solve for x
    x = 134,426,295.76/13,295.91
  6. Step 6: Final answer
    x = 10,110.35

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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.