Home / 13,632.59-18,822.31-10,440.26

Finding the Fourth Proportional to 13,632.59, 18,822.31 and 10,440.26

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Solution

The fourth proportional to 13,632.59, 18,822.31 and 10,440.26 is: 14,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.59 : 18,822.31 = 10,440.26 : x
  2. Step 2: Convert to fraction form
    13,632.59/18,822.31 = 10,440.26/x
  3. Step 3: Cross multiply
    13,632.59x = 18,822.31 × 10,440.26
  4. Step 4: Simplify right side
    13,632.59x = 196,509,689.99
  5. Step 5: Solve for x
    x = 196,509,689.99/13,632.59
  6. Step 6: Final answer
    x = 14,414.70

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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.