Home / 14,918.86-22,378.28-7,103.98

Finding the Fourth Proportional to 14,918.86, 22,378.28 and 7,103.98

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Solution

The fourth proportional to 14,918.86, 22,378.28 and 7,103.98 is: 10,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.86 : 22,378.28 = 7,103.98 : x
  2. Step 2: Convert to fraction form
    14,918.86/22,378.28 = 7,103.98/x
  3. Step 3: Cross multiply
    14,918.86x = 22,378.28 × 7,103.98
  4. Step 4: Simplify right side
    14,918.86x = 158,974,706.14
  5. Step 5: Solve for x
    x = 158,974,706.14/14,918.86
  6. Step 6: Final answer
    x = 10,655.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.