Home / 14,146.14-19,522.50-7,858.46

Finding the Fourth Proportional to 14,146.14, 19,522.50 and 7,858.46

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Solution

The fourth proportional to 14,146.14, 19,522.50 and 7,858.46 is: 10,845.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.14 : 19,522.50 = 7,858.46 : x
  2. Step 2: Convert to fraction form
    14,146.14/19,522.50 = 7,858.46/x
  3. Step 3: Cross multiply
    14,146.14x = 19,522.50 × 7,858.46
  4. Step 4: Simplify right side
    14,146.14x = 153,416,785.35
  5. Step 5: Solve for x
    x = 153,416,785.35/14,146.14
  6. Step 6: Final answer
    x = 10,845.13

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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.