Home / 18,926.15-26,118.06-10,542.65

Finding the Fourth Proportional to 18,926.15, 26,118.06 and 10,542.65

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Solution

The fourth proportional to 18,926.15, 26,118.06 and 10,542.65 is: 14,548.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.15 : 26,118.06 = 10,542.65 : x
  2. Step 2: Convert to fraction form
    18,926.15/26,118.06 = 10,542.65/x
  3. Step 3: Cross multiply
    18,926.15x = 26,118.06 × 10,542.65
  4. Step 4: Simplify right side
    18,926.15x = 275,353,565.26
  5. Step 5: Solve for x
    x = 275,353,565.26/18,926.15
  6. Step 6: Final answer
    x = 14,548.84

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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.