Home / 18,934.47-26,130.11-10,868.83

Finding the Fourth Proportional to 18,934.47, 26,130.11 and 10,868.83

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Solution

The fourth proportional to 18,934.47, 26,130.11 and 10,868.83 is: 14,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,934.47 : 26,130.11 = 10,868.83 : x
  2. Step 2: Convert to fraction form
    18,934.47/26,130.11 = 10,868.83/x
  3. Step 3: Cross multiply
    18,934.47x = 26,130.11 × 10,868.83
  4. Step 4: Simplify right side
    18,934.47x = 284,003,603.80
  5. Step 5: Solve for x
    x = 284,003,603.80/18,934.47
  6. Step 6: Final answer
    x = 14,999.29

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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.