Home / 15,029.33-20,740.67-8,657.04

Finding the Fourth Proportional to 15,029.33, 20,740.67 and 8,657.04

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Solution

The fourth proportional to 15,029.33, 20,740.67 and 8,657.04 is: 11,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,029.33 : 20,740.67 = 8,657.04 : x
  2. Step 2: Convert to fraction form
    15,029.33/20,740.67 = 8,657.04/x
  3. Step 3: Cross multiply
    15,029.33x = 20,740.67 × 8,657.04
  4. Step 4: Simplify right side
    15,029.33x = 179,552,831.46
  5. Step 5: Solve for x
    x = 179,552,831.46/15,029.33
  6. Step 6: Final answer
    x = 11,946.83

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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.