Home / 27,323.15-37,706.65-15,386.90

Finding the Fourth Proportional to 27,323.15, 37,706.65 and 15,386.90

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Solution

The fourth proportional to 27,323.15, 37,706.65 and 15,386.90 is: 21,234.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.15 : 37,706.65 = 15,386.90 : x
  2. Step 2: Convert to fraction form
    27,323.15/37,706.65 = 15,386.90/x
  3. Step 3: Cross multiply
    27,323.15x = 37,706.65 × 15,386.90
  4. Step 4: Simplify right side
    27,323.15x = 580,188,225.88
  5. Step 5: Solve for x
    x = 580,188,225.88/27,323.15
  6. Step 6: Final answer
    x = 21,234.31

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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.