Home / 18,864.31-26,033.43-10,367.21

Finding the Fourth Proportional to 18,864.31, 26,033.43 and 10,367.21

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Solution

The fourth proportional to 18,864.31, 26,033.43 and 10,367.21 is: 14,307.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.31 : 26,033.43 = 10,367.21 : x
  2. Step 2: Convert to fraction form
    18,864.31/26,033.43 = 10,367.21/x
  3. Step 3: Cross multiply
    18,864.31x = 26,033.43 × 10,367.21
  4. Step 4: Simplify right side
    18,864.31x = 269,894,035.83
  5. Step 5: Solve for x
    x = 269,894,035.83/18,864.31
  6. Step 6: Final answer
    x = 14,307.12

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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.