Home / 13,925.06-19,217.60-7,956.60

Finding the Fourth Proportional to 13,925.06, 19,217.60 and 7,956.60

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Solution

The fourth proportional to 13,925.06, 19,217.60 and 7,956.60 is: 10,980.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.06 : 19,217.60 = 7,956.60 : x
  2. Step 2: Convert to fraction form
    13,925.06/19,217.60 = 7,956.60/x
  3. Step 3: Cross multiply
    13,925.06x = 19,217.60 × 7,956.60
  4. Step 4: Simplify right side
    13,925.06x = 152,906,716.38
  5. Step 5: Solve for x
    x = 152,906,716.38/13,925.06
  6. Step 6: Final answer
    x = 10,980.69

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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.