Home / 25,557.60-38,336.54-8,917.56

Finding the Fourth Proportional to 25,557.60, 38,336.54 and 8,917.56

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Solution

The fourth proportional to 25,557.60, 38,336.54 and 8,917.56 is: 13,376.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,557.60 : 38,336.54 = 8,917.56 : x
  2. Step 2: Convert to fraction form
    25,557.60/38,336.54 = 8,917.56/x
  3. Step 3: Cross multiply
    25,557.60x = 38,336.54 × 8,917.56
  4. Step 4: Simplify right side
    25,557.60x = 341,868,395.64
  5. Step 5: Solve for x
    x = 341,868,395.64/25,557.60
  6. Step 6: Final answer
    x = 13,376.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.