Home / 14,258.12-19,675.62-7,884.31

Finding the Fourth Proportional to 14,258.12, 19,675.62 and 7,884.31

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Solution

The fourth proportional to 14,258.12, 19,675.62 and 7,884.31 is: 10,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258.12 : 19,675.62 = 7,884.31 : x
  2. Step 2: Convert to fraction form
    14,258.12/19,675.62 = 7,884.31/x
  3. Step 3: Cross multiply
    14,258.12x = 19,675.62 × 7,884.31
  4. Step 4: Simplify right side
    14,258.12x = 155,128,687.52
  5. Step 5: Solve for x
    x = 155,128,687.52/14,258.12
  6. Step 6: Final answer
    x = 10,880.02

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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.