Home / 18,828.61-25,983.49-10,445.11

Finding the Fourth Proportional to 18,828.61, 25,983.49 and 10,445.11

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Solution

The fourth proportional to 18,828.61, 25,983.49 and 10,445.11 is: 14,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.61 : 25,983.49 = 10,445.11 : x
  2. Step 2: Convert to fraction form
    18,828.61/25,983.49 = 10,445.11/x
  3. Step 3: Cross multiply
    18,828.61x = 25,983.49 × 10,445.11
  4. Step 4: Simplify right side
    18,828.61x = 271,400,411.23
  5. Step 5: Solve for x
    x = 271,400,411.23/18,828.61
  6. Step 6: Final answer
    x = 14,414.26

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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.