Home / 18,923.08-26,111.86-10,967.80

Finding the Fourth Proportional to 18,923.08, 26,111.86 and 10,967.80

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Solution

The fourth proportional to 18,923.08, 26,111.86 and 10,967.80 is: 15,134.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923.08 : 26,111.86 = 10,967.80 : x
  2. Step 2: Convert to fraction form
    18,923.08/26,111.86 = 10,967.80/x
  3. Step 3: Cross multiply
    18,923.08x = 26,111.86 × 10,967.80
  4. Step 4: Simplify right side
    18,923.08x = 286,389,658.11
  5. Step 5: Solve for x
    x = 286,389,658.11/18,923.08
  6. Step 6: Final answer
    x = 15,134.41

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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.