Home / 14,297.10-19,729.69-7,923.63

Finding the Fourth Proportional to 14,297.10, 19,729.69 and 7,923.63

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Solution

The fourth proportional to 14,297.10, 19,729.69 and 7,923.63 is: 10,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.10 : 19,729.69 = 7,923.63 : x
  2. Step 2: Convert to fraction form
    14,297.10/19,729.69 = 7,923.63/x
  3. Step 3: Cross multiply
    14,297.10x = 19,729.69 × 7,923.63
  4. Step 4: Simplify right side
    14,297.10x = 156,330,817.75
  5. Step 5: Solve for x
    x = 156,330,817.75/14,297.10
  6. Step 6: Final answer
    x = 10,934.45

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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.