Home / 18,411.63-25,406.91-10,858.27

Finding the Fourth Proportional to 18,411.63, 25,406.91 and 10,858.27

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Solution

The fourth proportional to 18,411.63, 25,406.91 and 10,858.27 is: 14,983.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.63 : 25,406.91 = 10,858.27 : x
  2. Step 2: Convert to fraction form
    18,411.63/25,406.91 = 10,858.27/x
  3. Step 3: Cross multiply
    18,411.63x = 25,406.91 × 10,858.27
  4. Step 4: Simplify right side
    18,411.63x = 275,875,088.65
  5. Step 5: Solve for x
    x = 275,875,088.65/18,411.63
  6. Step 6: Final answer
    x = 14,983.74

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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.