Home / 18,726.63-25,842.81-10,228.92

Finding the Fourth Proportional to 18,726.63, 25,842.81 and 10,228.92

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Solution

The fourth proportional to 18,726.63, 25,842.81 and 10,228.92 is: 14,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.63 : 25,842.81 = 10,228.92 : x
  2. Step 2: Convert to fraction form
    18,726.63/25,842.81 = 10,228.92/x
  3. Step 3: Cross multiply
    18,726.63x = 25,842.81 × 10,228.92
  4. Step 4: Simplify right side
    18,726.63x = 264,343,977.51
  5. Step 5: Solve for x
    x = 264,343,977.51/18,726.63
  6. Step 6: Final answer
    x = 14,115.94

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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.