Home / 13,925.85-19,215.27-7,873.32

Finding the Fourth Proportional to 13,925.85, 19,215.27 and 7,873.32

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Solution

The fourth proportional to 13,925.85, 19,215.27 and 7,873.32 is: 10,863.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.85 : 19,215.27 = 7,873.32 : x
  2. Step 2: Convert to fraction form
    13,925.85/19,215.27 = 7,873.32/x
  3. Step 3: Cross multiply
    13,925.85x = 19,215.27 × 7,873.32
  4. Step 4: Simplify right side
    13,925.85x = 151,287,969.60
  5. Step 5: Solve for x
    x = 151,287,969.60/13,925.85
  6. Step 6: Final answer
    x = 10,863.82

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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.