Home / 15,109.06-20,852.76-10,874.14

Finding the Fourth Proportional to 15,109.06, 20,852.76 and 10,874.14

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Solution

The fourth proportional to 15,109.06, 20,852.76 and 10,874.14 is: 15,007.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109.06 : 20,852.76 = 10,874.14 : x
  2. Step 2: Convert to fraction form
    15,109.06/20,852.76 = 10,874.14/x
  3. Step 3: Cross multiply
    15,109.06x = 20,852.76 × 10,874.14
  4. Step 4: Simplify right side
    15,109.06x = 226,755,831.63
  5. Step 5: Solve for x
    x = 226,755,831.63/15,109.06
  6. Step 6: Final answer
    x = 15,007.94

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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.