Home / 18,726.80-25,848.52-10,774.62

Finding the Fourth Proportional to 18,726.80, 25,848.52 and 10,774.62

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Solution

The fourth proportional to 18,726.80, 25,848.52 and 10,774.62 is: 14,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.80 : 25,848.52 = 10,774.62 : x
  2. Step 2: Convert to fraction form
    18,726.80/25,848.52 = 10,774.62/x
  3. Step 3: Cross multiply
    18,726.80x = 25,848.52 × 10,774.62
  4. Step 4: Simplify right side
    18,726.80x = 278,507,953.63
  5. Step 5: Solve for x
    x = 278,507,953.63/18,726.80
  6. Step 6: Final answer
    x = 14,872.16

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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.