Home / 19,440.14-26,820.69-10,940.54

Finding the Fourth Proportional to 19,440.14, 26,820.69 and 10,940.54

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Solution

The fourth proportional to 19,440.14, 26,820.69 and 10,940.54 is: 15,094.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.14 : 26,820.69 = 10,940.54 : x
  2. Step 2: Convert to fraction form
    19,440.14/26,820.69 = 10,940.54/x
  3. Step 3: Cross multiply
    19,440.14x = 26,820.69 × 10,940.54
  4. Step 4: Simplify right side
    19,440.14x = 293,432,831.77
  5. Step 5: Solve for x
    x = 293,432,831.77/19,440.14
  6. Step 6: Final answer
    x = 15,094.17

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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.