Home / 19,440.81-26,828.36-10,943.42

Finding the Fourth Proportional to 19,440.81, 26,828.36 and 10,943.42

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Solution

The fourth proportional to 19,440.81, 26,828.36 and 10,943.42 is: 15,101.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.81 : 26,828.36 = 10,943.42 : x
  2. Step 2: Convert to fraction form
    19,440.81/26,828.36 = 10,943.42/x
  3. Step 3: Cross multiply
    19,440.81x = 26,828.36 × 10,943.42
  4. Step 4: Simplify right side
    19,440.81x = 293,593,822.53
  5. Step 5: Solve for x
    x = 293,593,822.53/19,440.81
  6. Step 6: Final answer
    x = 15,101.93

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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.